Home / 8,853.90-13,266.45-7,385.10

Finding the Fourth Proportional to 8,853.90, 13,266.45 and 7,385.10

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Solution

The fourth proportional to 8,853.90, 13,266.45 and 7,385.10 is: 11,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.90 : 13,266.45 = 7,385.10 : x
  2. Step 2: Convert to fraction form
    8,853.90/13,266.45 = 7,385.10/x
  3. Step 3: Cross multiply
    8,853.90x = 13,266.45 × 7,385.10
  4. Step 4: Simplify right side
    8,853.90x = 97,974,059.90
  5. Step 5: Solve for x
    x = 97,974,059.90/8,853.90
  6. Step 6: Final answer
    x = 11,065.64

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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.