Home / 17,678.61-26,510.85-7,810.92

Finding the Fourth Proportional to 17,678.61, 26,510.85 and 7,810.92

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Solution

The fourth proportional to 17,678.61, 26,510.85 and 7,810.92 is: 11,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.61 : 26,510.85 = 7,810.92 : x
  2. Step 2: Convert to fraction form
    17,678.61/26,510.85 = 7,810.92/x
  3. Step 3: Cross multiply
    17,678.61x = 26,510.85 × 7,810.92
  4. Step 4: Simplify right side
    17,678.61x = 207,074,128.48
  5. Step 5: Solve for x
    x = 207,074,128.48/17,678.61
  6. Step 6: Final answer
    x = 11,713.26

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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.