Home / 10,559.08-14,562.66-9,159.40

Finding the Fourth Proportional to 10,559.08, 14,562.66 and 9,159.40

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Solution

The fourth proportional to 10,559.08, 14,562.66 and 9,159.40 is: 12,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.08 : 14,562.66 = 9,159.40 : x
  2. Step 2: Convert to fraction form
    10,559.08/14,562.66 = 9,159.40/x
  3. Step 3: Cross multiply
    10,559.08x = 14,562.66 × 9,159.40
  4. Step 4: Simplify right side
    10,559.08x = 133,385,228.00
  5. Step 5: Solve for x
    x = 133,385,228.00/10,559.08
  6. Step 6: Final answer
    x = 12,632.28

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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.