Home / 12,534.24-17,291.52-8,810.40

Finding the Fourth Proportional to 12,534.24, 17,291.52 and 8,810.40

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Solution

The fourth proportional to 12,534.24, 17,291.52 and 8,810.40 is: 12,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.24 : 17,291.52 = 8,810.40 : x
  2. Step 2: Convert to fraction form
    12,534.24/17,291.52 = 8,810.40/x
  3. Step 3: Cross multiply
    12,534.24x = 17,291.52 × 8,810.40
  4. Step 4: Simplify right side
    12,534.24x = 152,345,207.81
  5. Step 5: Solve for x
    x = 152,345,207.81/12,534.24
  6. Step 6: Final answer
    x = 12,154.32

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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.