Home / 13,248.99-18,283.24-7,280.66

Finding the Fourth Proportional to 13,248.99, 18,283.24 and 7,280.66

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Solution

The fourth proportional to 13,248.99, 18,283.24 and 7,280.66 is: 10,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.99 : 18,283.24 = 7,280.66 : x
  2. Step 2: Convert to fraction form
    13,248.99/18,283.24 = 7,280.66/x
  3. Step 3: Cross multiply
    13,248.99x = 18,283.24 × 7,280.66
  4. Step 4: Simplify right side
    13,248.99x = 133,114,081.64
  5. Step 5: Solve for x
    x = 133,114,081.64/13,248.99
  6. Step 6: Final answer
    x = 10,047.11

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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.