Home / 21,440.60-29,587.96-12,365.93

Finding the Fourth Proportional to 21,440.60, 29,587.96 and 12,365.93

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Solution

The fourth proportional to 21,440.60, 29,587.96 and 12,365.93 is: 17,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.60 : 29,587.96 = 12,365.93 : x
  2. Step 2: Convert to fraction form
    21,440.60/29,587.96 = 12,365.93/x
  3. Step 3: Cross multiply
    21,440.60x = 29,587.96 × 12,365.93
  4. Step 4: Simplify right side
    21,440.60x = 365,882,642.20
  5. Step 5: Solve for x
    x = 365,882,642.20/21,440.60
  6. Step 6: Final answer
    x = 17,064.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.