Home / 15,429.64-23,145.02-7,931.19

Finding the Fourth Proportional to 15,429.64, 23,145.02 and 7,931.19

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Solution

The fourth proportional to 15,429.64, 23,145.02 and 7,931.19 is: 11,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.64 : 23,145.02 = 7,931.19 : x
  2. Step 2: Convert to fraction form
    15,429.64/23,145.02 = 7,931.19/x
  3. Step 3: Cross multiply
    15,429.64x = 23,145.02 × 7,931.19
  4. Step 4: Simplify right side
    15,429.64x = 183,567,551.17
  5. Step 5: Solve for x
    x = 183,567,551.17/15,429.64
  6. Step 6: Final answer
    x = 11,897.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.