Home / 11,307.90-15,600.68-6,527.28

Finding the Fourth Proportional to 11,307.90, 15,600.68 and 6,527.28

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Solution

The fourth proportional to 11,307.90, 15,600.68 and 6,527.28 is: 9,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.90 : 15,600.68 = 6,527.28 : x
  2. Step 2: Convert to fraction form
    11,307.90/15,600.68 = 6,527.28/x
  3. Step 3: Cross multiply
    11,307.90x = 15,600.68 × 6,527.28
  4. Step 4: Simplify right side
    11,307.90x = 101,830,006.55
  5. Step 5: Solve for x
    x = 101,830,006.55/11,307.90
  6. Step 6: Final answer
    x = 9,005.21

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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.