Home / 18,289.90-25,242.11-10,332.64

Finding the Fourth Proportional to 18,289.90, 25,242.11 and 10,332.64

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Solution

The fourth proportional to 18,289.90, 25,242.11 and 10,332.64 is: 14,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.90 : 25,242.11 = 10,332.64 : x
  2. Step 2: Convert to fraction form
    18,289.90/25,242.11 = 10,332.64/x
  3. Step 3: Cross multiply
    18,289.90x = 25,242.11 × 10,332.64
  4. Step 4: Simplify right side
    18,289.90x = 260,817,661.30
  5. Step 5: Solve for x
    x = 260,817,661.30/18,289.90
  6. Step 6: Final answer
    x = 14,260.20

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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.