Home / 10,070.80-15,110.52-6,554.32

Finding the Fourth Proportional to 10,070.80, 15,110.52 and 6,554.32

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Solution

The fourth proportional to 10,070.80, 15,110.52 and 6,554.32 is: 9,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.80 : 15,110.52 = 6,554.32 : x
  2. Step 2: Convert to fraction form
    10,070.80/15,110.52 = 6,554.32/x
  3. Step 3: Cross multiply
    10,070.80x = 15,110.52 × 6,554.32
  4. Step 4: Simplify right side
    10,070.80x = 99,039,183.45
  5. Step 5: Solve for x
    x = 99,039,183.45/10,070.80
  6. Step 6: Final answer
    x = 9,834.29

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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.