Home / 42,962.97-64,445.53-11,798.13

Finding the Fourth Proportional to 42,962.97, 64,445.53 and 11,798.13

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Solution

The fourth proportional to 42,962.97, 64,445.53 and 11,798.13 is: 17,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,962.97 : 64,445.53 = 11,798.13 : x
  2. Step 2: Convert to fraction form
    42,962.97/64,445.53 = 11,798.13/x
  3. Step 3: Cross multiply
    42,962.97x = 64,445.53 × 11,798.13
  4. Step 4: Simplify right side
    42,962.97x = 760,336,389.14
  5. Step 5: Solve for x
    x = 760,336,389.14/42,962.97
  6. Step 6: Final answer
    x = 17,697.48

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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.