Home / 15,280.31-21,097.13-9,546.53

Finding the Fourth Proportional to 15,280.31, 21,097.13 and 9,546.53

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Solution

The fourth proportional to 15,280.31, 21,097.13 and 9,546.53 is: 13,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.31 : 21,097.13 = 9,546.53 : x
  2. Step 2: Convert to fraction form
    15,280.31/21,097.13 = 9,546.53/x
  3. Step 3: Cross multiply
    15,280.31x = 21,097.13 × 9,546.53
  4. Step 4: Simplify right side
    15,280.31x = 201,404,384.46
  5. Step 5: Solve for x
    x = 201,404,384.46/15,280.31
  6. Step 6: Final answer
    x = 13,180.65

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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.