Home / 17,070.32-23,551.79-9,898.78

Finding the Fourth Proportional to 17,070.32, 23,551.79 and 9,898.78

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Solution

The fourth proportional to 17,070.32, 23,551.79 and 9,898.78 is: 13,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070.32 : 23,551.79 = 9,898.78 : x
  2. Step 2: Convert to fraction form
    17,070.32/23,551.79 = 9,898.78/x
  3. Step 3: Cross multiply
    17,070.32x = 23,551.79 × 9,898.78
  4. Step 4: Simplify right side
    17,070.32x = 233,133,987.82
  5. Step 5: Solve for x
    x = 233,133,987.82/17,070.32
  6. Step 6: Final answer
    x = 13,657.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.