Home / 10,702.40-16,053.60-5,518.40

Finding the Fourth Proportional to 10,702.40, 16,053.60 and 5,518.40

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Solution

The fourth proportional to 10,702.40, 16,053.60 and 5,518.40 is: 8,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.40 : 16,053.60 = 5,518.40 : x
  2. Step 2: Convert to fraction form
    10,702.40/16,053.60 = 5,518.40/x
  3. Step 3: Cross multiply
    10,702.40x = 16,053.60 × 5,518.40
  4. Step 4: Simplify right side
    10,702.40x = 88,590,186.24
  5. Step 5: Solve for x
    x = 88,590,186.24/10,702.40
  6. Step 6: Final answer
    x = 8,277.60

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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.