Home / 17,390.80-26,100.60-8,045.20

Finding the Fourth Proportional to 17,390.80, 26,100.60 and 8,045.20

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Solution

The fourth proportional to 17,390.80, 26,100.60 and 8,045.20 is: 12,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.80 : 26,100.60 = 8,045.20 : x
  2. Step 2: Convert to fraction form
    17,390.80/26,100.60 = 8,045.20/x
  3. Step 3: Cross multiply
    17,390.80x = 26,100.60 × 8,045.20
  4. Step 4: Simplify right side
    17,390.80x = 209,984,547.12
  5. Step 5: Solve for x
    x = 209,984,547.12/17,390.80
  6. Step 6: Final answer
    x = 12,074.46

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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.