Home / 42,666.63-63,999.94-11,501.88

Finding the Fourth Proportional to 42,666.63, 63,999.94 and 11,501.88

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Solution

The fourth proportional to 42,666.63, 63,999.94 and 11,501.88 is: 17,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.63 : 63,999.94 = 11,501.88 : x
  2. Step 2: Convert to fraction form
    42,666.63/63,999.94 = 11,501.88/x
  3. Step 3: Cross multiply
    42,666.63x = 63,999.94 × 11,501.88
  4. Step 4: Simplify right side
    42,666.63x = 736,119,629.89
  5. Step 5: Solve for x
    x = 736,119,629.89/42,666.63
  6. Step 6: Final answer
    x = 17,252.82

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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.