Home / 42,127.74-63,187.43-10,962.99

Finding the Fourth Proportional to 42,127.74, 63,187.43 and 10,962.99

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Solution

The fourth proportional to 42,127.74, 63,187.43 and 10,962.99 is: 16,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127.74 : 63,187.43 = 10,962.99 : x
  2. Step 2: Convert to fraction form
    42,127.74/63,187.43 = 10,962.99/x
  3. Step 3: Cross multiply
    42,127.74x = 63,187.43 × 10,962.99
  4. Step 4: Simplify right side
    42,127.74x = 692,723,108.40
  5. Step 5: Solve for x
    x = 692,723,108.40/42,127.74
  6. Step 6: Final answer
    x = 16,443.40

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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.