Home / 42,246.18-63,360.09-12,656.07

Finding the Fourth Proportional to 42,246.18, 63,360.09 and 12,656.07

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Solution

The fourth proportional to 42,246.18, 63,360.09 and 12,656.07 is: 18,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,246.18 : 63,360.09 = 12,656.07 : x
  2. Step 2: Convert to fraction form
    42,246.18/63,360.09 = 12,656.07/x
  3. Step 3: Cross multiply
    42,246.18x = 63,360.09 × 12,656.07
  4. Step 4: Simplify right side
    42,246.18x = 801,889,734.25
  5. Step 5: Solve for x
    x = 801,889,734.25/42,246.18
  6. Step 6: Final answer
    x = 18,981.35

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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.