Home / 17,686.90-26,485.98-10,566.75

Finding the Fourth Proportional to 17,686.90, 26,485.98 and 10,566.75

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Solution

The fourth proportional to 17,686.90, 26,485.98 and 10,566.75 is: 15,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.90 : 26,485.98 = 10,566.75 : x
  2. Step 2: Convert to fraction form
    17,686.90/26,485.98 = 10,566.75/x
  3. Step 3: Cross multiply
    17,686.90x = 26,485.98 × 10,566.75
  4. Step 4: Simplify right side
    17,686.90x = 279,870,729.17
  5. Step 5: Solve for x
    x = 279,870,729.17/17,686.90
  6. Step 6: Final answer
    x = 15,823.62

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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.