Home / 9,017.28-12,436.20-7,607.88

Finding the Fourth Proportional to 9,017.28, 12,436.20 and 7,607.88

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Solution

The fourth proportional to 9,017.28, 12,436.20 and 7,607.88 is: 10,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.28 : 12,436.20 = 7,607.88 : x
  2. Step 2: Convert to fraction form
    9,017.28/12,436.20 = 7,607.88/x
  3. Step 3: Cross multiply
    9,017.28x = 12,436.20 × 7,607.88
  4. Step 4: Simplify right side
    9,017.28x = 94,613,117.26
  5. Step 5: Solve for x
    x = 94,613,117.26/9,017.28
  6. Step 6: Final answer
    x = 10,492.42

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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.