Home / 10,529.79-15,717.62-9,284.28

Finding the Fourth Proportional to 10,529.79, 15,717.62 and 9,284.28

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Solution

The fourth proportional to 10,529.79, 15,717.62 and 9,284.28 is: 13,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.79 : 15,717.62 = 9,284.28 : x
  2. Step 2: Convert to fraction form
    10,529.79/15,717.62 = 9,284.28/x
  3. Step 3: Cross multiply
    10,529.79x = 15,717.62 × 9,284.28
  4. Step 4: Simplify right side
    10,529.79x = 145,926,785.01
  5. Step 5: Solve for x
    x = 145,926,785.01/10,529.79
  6. Step 6: Final answer
    x = 13,858.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.