Home / 42,519.18-63,783.09-11,356.62

Finding the Fourth Proportional to 42,519.18, 63,783.09 and 11,356.62

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Solution

The fourth proportional to 42,519.18, 63,783.09 and 11,356.62 is: 17,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,519.18 : 63,783.09 = 11,356.62 : x
  2. Step 2: Convert to fraction form
    42,519.18/63,783.09 = 11,356.62/x
  3. Step 3: Cross multiply
    42,519.18x = 63,783.09 × 11,356.62
  4. Step 4: Simplify right side
    42,519.18x = 724,360,315.56
  5. Step 5: Solve for x
    x = 724,360,315.56/42,519.18
  6. Step 6: Final answer
    x = 17,036.08

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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.