Home / 10,925.29-15,078.18-6,210.28

Finding the Fourth Proportional to 10,925.29, 15,078.18 and 6,210.28

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Solution

The fourth proportional to 10,925.29, 15,078.18 and 6,210.28 is: 8,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.29 : 15,078.18 = 6,210.28 : x
  2. Step 2: Convert to fraction form
    10,925.29/15,078.18 = 6,210.28/x
  3. Step 3: Cross multiply
    10,925.29x = 15,078.18 × 6,210.28
  4. Step 4: Simplify right side
    10,925.29x = 93,639,719.69
  5. Step 5: Solve for x
    x = 93,639,719.69/10,925.29
  6. Step 6: Final answer
    x = 8,570.91

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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.