Home / 13,248.60-18,283.50-7,280.42

Finding the Fourth Proportional to 13,248.60, 18,283.50 and 7,280.42

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Solution

The fourth proportional to 13,248.60, 18,283.50 and 7,280.42 is: 10,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.60 : 18,283.50 = 7,280.42 : x
  2. Step 2: Convert to fraction form
    13,248.60/18,283.50 = 7,280.42/x
  3. Step 3: Cross multiply
    13,248.60x = 18,283.50 × 7,280.42
  4. Step 4: Simplify right side
    13,248.60x = 133,111,467.65
  5. Step 5: Solve for x
    x = 133,111,467.65/13,248.60
  6. Step 6: Final answer
    x = 10,047.21

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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.