Home / 14,353.32-21,389.04-13,883.52

Finding the Fourth Proportional to 14,353.32, 21,389.04 and 13,883.52

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Solution

The fourth proportional to 14,353.32, 21,389.04 and 13,883.52 is: 20,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.32 : 21,389.04 = 13,883.52 : x
  2. Step 2: Convert to fraction form
    14,353.32/21,389.04 = 13,883.52/x
  3. Step 3: Cross multiply
    14,353.32x = 21,389.04 × 13,883.52
  4. Step 4: Simplify right side
    14,353.32x = 296,955,164.62
  5. Step 5: Solve for x
    x = 296,955,164.62/14,353.32
  6. Step 6: Final answer
    x = 20,688.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.