Home / 10,702.40-16,053.60-6,555.20

Finding the Fourth Proportional to 10,702.40, 16,053.60 and 6,555.20

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Solution

The fourth proportional to 10,702.40, 16,053.60 and 6,555.20 is: 9,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.40 : 16,053.60 = 6,555.20 : x
  2. Step 2: Convert to fraction form
    10,702.40/16,053.60 = 6,555.20/x
  3. Step 3: Cross multiply
    10,702.40x = 16,053.60 × 6,555.20
  4. Step 4: Simplify right side
    10,702.40x = 105,234,558.72
  5. Step 5: Solve for x
    x = 105,234,558.72/10,702.40
  6. Step 6: Final answer
    x = 9,832.80

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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.