Home / 17,600.80-26,307.56-12,416.80

Finding the Fourth Proportional to 17,600.80, 26,307.56 and 12,416.80

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Solution

The fourth proportional to 17,600.80, 26,307.56 and 12,416.80 is: 18,559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,600.80 : 26,307.56 = 12,416.80 : x
  2. Step 2: Convert to fraction form
    17,600.80/26,307.56 = 12,416.80/x
  3. Step 3: Cross multiply
    17,600.80x = 26,307.56 × 12,416.80
  4. Step 4: Simplify right side
    17,600.80x = 326,655,711.01
  5. Step 5: Solve for x
    x = 326,655,711.01/17,600.80
  6. Step 6: Final answer
    x = 18,559.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.