Home / 10,102.29-15,155.49-4,258.92

Finding the Fourth Proportional to 10,102.29, 15,155.49 and 4,258.92

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Solution

The fourth proportional to 10,102.29, 15,155.49 and 4,258.92 is: 6,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.29 : 15,155.49 = 4,258.92 : x
  2. Step 2: Convert to fraction form
    10,102.29/15,155.49 = 4,258.92/x
  3. Step 3: Cross multiply
    10,102.29x = 15,155.49 × 4,258.92
  4. Step 4: Simplify right side
    10,102.29x = 64,546,019.47
  5. Step 5: Solve for x
    x = 64,546,019.47/10,102.29
  6. Step 6: Final answer
    x = 6,389.25

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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.