Home / 22,848.66-31,531.86-12,777.53

Finding the Fourth Proportional to 22,848.66, 31,531.86 and 12,777.53

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Solution

The fourth proportional to 22,848.66, 31,531.86 and 12,777.53 is: 17,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,848.66 : 31,531.86 = 12,777.53 : x
  2. Step 2: Convert to fraction form
    22,848.66/31,531.86 = 12,777.53/x
  3. Step 3: Cross multiply
    22,848.66x = 31,531.86 × 12,777.53
  4. Step 4: Simplify right side
    22,848.66x = 402,899,129.45
  5. Step 5: Solve for x
    x = 402,899,129.45/22,848.66
  6. Step 6: Final answer
    x = 17,633.38

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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.