Home / 14,178.04-21,275.12-13,417.96

Finding the Fourth Proportional to 14,178.04, 21,275.12 and 13,417.96

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Solution

The fourth proportional to 14,178.04, 21,275.12 and 13,417.96 is: 20,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.04 : 21,275.12 = 13,417.96 : x
  2. Step 2: Convert to fraction form
    14,178.04/21,275.12 = 13,417.96/x
  3. Step 3: Cross multiply
    14,178.04x = 21,275.12 × 13,417.96
  4. Step 4: Simplify right side
    14,178.04x = 285,468,709.16
  5. Step 5: Solve for x
    x = 285,468,709.16/14,178.04
  6. Step 6: Final answer
    x = 20,134.57

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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.