Home / 10,050.98-13,870.35-5,574.78

Finding the Fourth Proportional to 10,050.98, 13,870.35 and 5,574.78

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Solution

The fourth proportional to 10,050.98, 13,870.35 and 5,574.78 is: 7,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050.98 : 13,870.35 = 5,574.78 : x
  2. Step 2: Convert to fraction form
    10,050.98/13,870.35 = 5,574.78/x
  3. Step 3: Cross multiply
    10,050.98x = 13,870.35 × 5,574.78
  4. Step 4: Simplify right side
    10,050.98x = 77,324,149.77
  5. Step 5: Solve for x
    x = 77,324,149.77/10,050.98
  6. Step 6: Final answer
    x = 7,693.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.