Home / 17,908.04-26,860.16-4,761.74

Finding the Fourth Proportional to 17,908.04, 26,860.16 and 4,761.74

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Solution

The fourth proportional to 17,908.04, 26,860.16 and 4,761.74 is: 7,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.04 : 26,860.16 = 4,761.74 : x
  2. Step 2: Convert to fraction form
    17,908.04/26,860.16 = 4,761.74/x
  3. Step 3: Cross multiply
    17,908.04x = 26,860.16 × 4,761.74
  4. Step 4: Simplify right side
    17,908.04x = 127,900,999.46
  5. Step 5: Solve for x
    x = 127,900,999.46/17,908.04
  6. Step 6: Final answer
    x = 7,142.10

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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.