Home / 12,397.83-18,597.93-4,077.92

Finding the Fourth Proportional to 12,397.83, 18,597.93 and 4,077.92

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Solution

The fourth proportional to 12,397.83, 18,597.93 and 4,077.92 is: 6,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.83 : 18,597.93 = 4,077.92 : x
  2. Step 2: Convert to fraction form
    12,397.83/18,597.93 = 4,077.92/x
  3. Step 3: Cross multiply
    12,397.83x = 18,597.93 × 4,077.92
  4. Step 4: Simplify right side
    12,397.83x = 75,840,870.71
  5. Step 5: Solve for x
    x = 75,840,870.71/12,397.83
  6. Step 6: Final answer
    x = 6,117.27

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1.5x scale

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.