Home / 10,325.85-14,217.30-9,113.28

Finding the Fourth Proportional to 10,325.85, 14,217.30 and 9,113.28

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Solution

The fourth proportional to 10,325.85, 14,217.30 and 9,113.28 is: 12,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.85 : 14,217.30 = 9,113.28 : x
  2. Step 2: Convert to fraction form
    10,325.85/14,217.30 = 9,113.28/x
  3. Step 3: Cross multiply
    10,325.85x = 14,217.30 × 9,113.28
  4. Step 4: Simplify right side
    10,325.85x = 129,566,235.74
  5. Step 5: Solve for x
    x = 129,566,235.74/10,325.85
  6. Step 6: Final answer
    x = 12,547.75

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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.