Home / 42,447.81-63,671.65-11,283.06

Finding the Fourth Proportional to 42,447.81, 63,671.65 and 11,283.06

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Solution

The fourth proportional to 42,447.81, 63,671.65 and 11,283.06 is: 16,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,447.81 : 63,671.65 = 11,283.06 : x
  2. Step 2: Convert to fraction form
    42,447.81/63,671.65 = 11,283.06/x
  3. Step 3: Cross multiply
    42,447.81x = 63,671.65 × 11,283.06
  4. Step 4: Simplify right side
    42,447.81x = 718,411,321.28
  5. Step 5: Solve for x
    x = 718,411,321.28/42,447.81
  6. Step 6: Final answer
    x = 16,924.58

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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.