Home / 14,799.24-20,420.28-9,129.42

Finding the Fourth Proportional to 14,799.24, 20,420.28 and 9,129.42

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Solution

The fourth proportional to 14,799.24, 20,420.28 and 9,129.42 is: 12,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.24 : 20,420.28 = 9,129.42 : x
  2. Step 2: Convert to fraction form
    14,799.24/20,420.28 = 9,129.42/x
  3. Step 3: Cross multiply
    14,799.24x = 20,420.28 × 9,129.42
  4. Step 4: Simplify right side
    14,799.24x = 186,425,312.64
  5. Step 5: Solve for x
    x = 186,425,312.64/14,799.24
  6. Step 6: Final answer
    x = 12,596.95

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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.