Home / 10,948.80-16,412.40-5,397.60

Finding the Fourth Proportional to 10,948.80, 16,412.40 and 5,397.60

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Solution

The fourth proportional to 10,948.80, 16,412.40 and 5,397.60 is: 8,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.80 : 16,412.40 = 5,397.60 : x
  2. Step 2: Convert to fraction form
    10,948.80/16,412.40 = 5,397.60/x
  3. Step 3: Cross multiply
    10,948.80x = 16,412.40 × 5,397.60
  4. Step 4: Simplify right side
    10,948.80x = 88,587,570.24
  5. Step 5: Solve for x
    x = 88,587,570.24/10,948.80
  6. Step 6: Final answer
    x = 8,091.08

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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.