Home / 14,330.60-21,373.39-12,587.07

Finding the Fourth Proportional to 14,330.60, 21,373.39 and 12,587.07

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Solution

The fourth proportional to 14,330.60, 21,373.39 and 12,587.07 is: 18,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.60 : 21,373.39 = 12,587.07 : x
  2. Step 2: Convert to fraction form
    14,330.60/21,373.39 = 12,587.07/x
  3. Step 3: Cross multiply
    14,330.60x = 21,373.39 × 12,587.07
  4. Step 4: Simplify right side
    14,330.60x = 269,028,356.07
  5. Step 5: Solve for x
    x = 269,028,356.07/14,330.60
  6. Step 6: Final answer
    x = 18,773.00

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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.