Home / 10,428.57-15,653.39-9,250.34

Finding the Fourth Proportional to 10,428.57, 15,653.39 and 9,250.34

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Solution

The fourth proportional to 10,428.57, 15,653.39 and 9,250.34 is: 13,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.57 : 15,653.39 = 9,250.34 : x
  2. Step 2: Convert to fraction form
    10,428.57/15,653.39 = 9,250.34/x
  3. Step 3: Cross multiply
    10,428.57x = 15,653.39 × 9,250.34
  4. Step 4: Simplify right side
    10,428.57x = 144,799,055.13
  5. Step 5: Solve for x
    x = 144,799,055.13/10,428.57
  6. Step 6: Final answer
    x = 13,884.84

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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.