Home / 10,210.44-15,212.96-9,539.76

Finding the Fourth Proportional to 10,210.44, 15,212.96 and 9,539.76

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Solution

The fourth proportional to 10,210.44, 15,212.96 and 9,539.76 is: 14,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.44 : 15,212.96 = 9,539.76 : x
  2. Step 2: Convert to fraction form
    10,210.44/15,212.96 = 9,539.76/x
  3. Step 3: Cross multiply
    10,210.44x = 15,212.96 × 9,539.76
  4. Step 4: Simplify right side
    10,210.44x = 145,127,987.29
  5. Step 5: Solve for x
    x = 145,127,987.29/10,210.44
  6. Step 6: Final answer
    x = 14,213.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.