Home / 12,577.23-17,357.40-6,988.23

Finding the Fourth Proportional to 12,577.23, 17,357.40 and 6,988.23

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Solution

The fourth proportional to 12,577.23, 17,357.40 and 6,988.23 is: 9,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.23 : 17,357.40 = 6,988.23 : x
  2. Step 2: Convert to fraction form
    12,577.23/17,357.40 = 6,988.23/x
  3. Step 3: Cross multiply
    12,577.23x = 17,357.40 × 6,988.23
  4. Step 4: Simplify right side
    12,577.23x = 121,297,503.40
  5. Step 5: Solve for x
    x = 121,297,503.40/12,577.23
  6. Step 6: Final answer
    x = 9,644.21

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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.