Home / 13,248.76-18,283.30-7,280.44

Finding the Fourth Proportional to 13,248.76, 18,283.30 and 7,280.44

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Solution

The fourth proportional to 13,248.76, 18,283.30 and 7,280.44 is: 10,047.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.76 : 18,283.30 = 7,280.44 : x
  2. Step 2: Convert to fraction form
    13,248.76/18,283.30 = 7,280.44/x
  3. Step 3: Cross multiply
    13,248.76x = 18,283.30 × 7,280.44
  4. Step 4: Simplify right side
    13,248.76x = 133,110,468.65
  5. Step 5: Solve for x
    x = 133,110,468.65/13,248.76
  6. Step 6: Final answer
    x = 10,047.01

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.