Home / 42,459.83-63,689.07-10,869.63

Finding the Fourth Proportional to 42,459.83, 63,689.07 and 10,869.63

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Solution

The fourth proportional to 42,459.83, 63,689.07 and 10,869.63 is: 16,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,459.83 : 63,689.07 = 10,869.63 : x
  2. Step 2: Convert to fraction form
    42,459.83/63,689.07 = 10,869.63/x
  3. Step 3: Cross multiply
    42,459.83x = 63,689.07 × 10,869.63
  4. Step 4: Simplify right side
    42,459.83x = 692,276,625.94
  5. Step 5: Solve for x
    x = 692,276,625.94/42,459.83
  6. Step 6: Final answer
    x = 16,304.27

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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.