Home / 14,267.32-21,421.76-10,129.30

Finding the Fourth Proportional to 14,267.32, 21,421.76 and 10,129.30

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Solution

The fourth proportional to 14,267.32, 21,421.76 and 10,129.30 is: 15,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.32 : 21,421.76 = 10,129.30 : x
  2. Step 2: Convert to fraction form
    14,267.32/21,421.76 = 10,129.30/x
  3. Step 3: Cross multiply
    14,267.32x = 21,421.76 × 10,129.30
  4. Step 4: Simplify right side
    14,267.32x = 216,987,433.57
  5. Step 5: Solve for x
    x = 216,987,433.57/14,267.32
  6. Step 6: Final answer
    x = 15,208.70

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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.