Home / 14,296.13-21,420.48-10,115.42

Finding the Fourth Proportional to 14,296.13, 21,420.48 and 10,115.42

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Solution

The fourth proportional to 14,296.13, 21,420.48 and 10,115.42 is: 15,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.13 : 21,420.48 = 10,115.42 : x
  2. Step 2: Convert to fraction form
    14,296.13/21,420.48 = 10,115.42/x
  3. Step 3: Cross multiply
    14,296.13x = 21,420.48 × 10,115.42
  4. Step 4: Simplify right side
    14,296.13x = 216,677,082.63
  5. Step 5: Solve for x
    x = 216,677,082.63/14,296.13
  6. Step 6: Final answer
    x = 15,156.35

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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.