Home / 10,014.10-14,999.55-5,391.70

Finding the Fourth Proportional to 10,014.10, 14,999.55 and 5,391.70

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Solution

The fourth proportional to 10,014.10, 14,999.55 and 5,391.70 is: 8,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.10 : 14,999.55 = 5,391.70 : x
  2. Step 2: Convert to fraction form
    10,014.10/14,999.55 = 5,391.70/x
  3. Step 3: Cross multiply
    10,014.10x = 14,999.55 × 5,391.70
  4. Step 4: Simplify right side
    10,014.10x = 80,873,073.74
  5. Step 5: Solve for x
    x = 80,873,073.74/10,014.10
  6. Step 6: Final answer
    x = 8,075.92

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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.