Home / 14,223.06-21,281.13-13,473

Finding the Fourth Proportional to 14,223.06, 21,281.13 and 13,473

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Solution

The fourth proportional to 14,223.06, 21,281.13 and 13,473 is: 20,158.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.06 : 21,281.13 = 13,473 : x
  2. Step 2: Convert to fraction form
    14,223.06/21,281.13 = 13,473/x
  3. Step 3: Cross multiply
    14,223.06x = 21,281.13 × 13,473
  4. Step 4: Simplify right side
    14,223.06x = 286,720,664.49
  5. Step 5: Solve for x
    x = 286,720,664.49/14,223.06
  6. Step 6: Final answer
    x = 20,158.86

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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.