Home / 10,051.20-13,870.80-6,071.76

Finding the Fourth Proportional to 10,051.20, 13,870.80 and 6,071.76

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Solution

The fourth proportional to 10,051.20, 13,870.80 and 6,071.76 is: 8,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051.20 : 13,870.80 = 6,071.76 : x
  2. Step 2: Convert to fraction form
    10,051.20/13,870.80 = 6,071.76/x
  3. Step 3: Cross multiply
    10,051.20x = 13,870.80 × 6,071.76
  4. Step 4: Simplify right side
    10,051.20x = 84,220,168.61
  5. Step 5: Solve for x
    x = 84,220,168.61/10,051.20
  6. Step 6: Final answer
    x = 8,379.12

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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.