Home / 12,559.56-17,331.44-7,526.40

Finding the Fourth Proportional to 12,559.56, 17,331.44 and 7,526.40

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Solution

The fourth proportional to 12,559.56, 17,331.44 and 7,526.40 is: 10,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.56 : 17,331.44 = 7,526.40 : x
  2. Step 2: Convert to fraction form
    12,559.56/17,331.44 = 7,526.40/x
  3. Step 3: Cross multiply
    12,559.56x = 17,331.44 × 7,526.40
  4. Step 4: Simplify right side
    12,559.56x = 130,443,312.38
  5. Step 5: Solve for x
    x = 130,443,312.38/12,559.56
  6. Step 6: Final answer
    x = 10,385.98

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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.