Home / 9,180.49-12,663.14-6,307.85

Finding the Fourth Proportional to 9,180.49, 12,663.14 and 6,307.85

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Solution

The fourth proportional to 9,180.49, 12,663.14 and 6,307.85 is: 8,700.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.49 : 12,663.14 = 6,307.85 : x
  2. Step 2: Convert to fraction form
    9,180.49/12,663.14 = 6,307.85/x
  3. Step 3: Cross multiply
    9,180.49x = 12,663.14 × 6,307.85
  4. Step 4: Simplify right side
    9,180.49x = 79,877,140.10
  5. Step 5: Solve for x
    x = 79,877,140.10/9,180.49
  6. Step 6: Final answer
    x = 8,700.75

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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.