Home / 8,875.98-13,291.26-8,613.24

Finding the Fourth Proportional to 8,875.98, 13,291.26 and 8,613.24

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Solution

The fourth proportional to 8,875.98, 13,291.26 and 8,613.24 is: 12,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.98 : 13,291.26 = 8,613.24 : x
  2. Step 2: Convert to fraction form
    8,875.98/13,291.26 = 8,613.24/x
  3. Step 3: Cross multiply
    8,875.98x = 13,291.26 × 8,613.24
  4. Step 4: Simplify right side
    8,875.98x = 114,480,812.28
  5. Step 5: Solve for x
    x = 114,480,812.28/8,875.98
  6. Step 6: Final answer
    x = 12,897.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.