Home / 42,656.06-63,987.93-11,490.62

Finding the Fourth Proportional to 42,656.06, 63,987.93 and 11,490.62

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Solution

The fourth proportional to 42,656.06, 63,987.93 and 11,490.62 is: 17,236.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,656.06 : 63,987.93 = 11,490.62 : x
  2. Step 2: Convert to fraction form
    42,656.06/63,987.93 = 11,490.62/x
  3. Step 3: Cross multiply
    42,656.06x = 63,987.93 × 11,490.62
  4. Step 4: Simplify right side
    42,656.06x = 735,260,988.22
  5. Step 5: Solve for x
    x = 735,260,988.22/42,656.06
  6. Step 6: Final answer
    x = 17,236.96

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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.