Home / 17,710.90-26,566.35-9,918.70

Finding the Fourth Proportional to 17,710.90, 26,566.35 and 9,918.70

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Solution

The fourth proportional to 17,710.90, 26,566.35 and 9,918.70 is: 14,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,710.90 : 26,566.35 = 9,918.70 : x
  2. Step 2: Convert to fraction form
    17,710.90/26,566.35 = 9,918.70/x
  3. Step 3: Cross multiply
    17,710.90x = 26,566.35 × 9,918.70
  4. Step 4: Simplify right side
    17,710.90x = 263,503,655.75
  5. Step 5: Solve for x
    x = 263,503,655.75/17,710.90
  6. Step 6: Final answer
    x = 14,878.05

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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.