Home / 10,957.60-16,426.80-6,570.40

Finding the Fourth Proportional to 10,957.60, 16,426.80 and 6,570.40

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Solution

The fourth proportional to 10,957.60, 16,426.80 and 6,570.40 is: 9,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.60 : 16,426.80 = 6,570.40 : x
  2. Step 2: Convert to fraction form
    10,957.60/16,426.80 = 6,570.40/x
  3. Step 3: Cross multiply
    10,957.60x = 16,426.80 × 6,570.40
  4. Step 4: Simplify right side
    10,957.60x = 107,930,646.72
  5. Step 5: Solve for x
    x = 107,930,646.72/10,957.60
  6. Step 6: Final answer
    x = 9,849.84

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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.