Home / 10,029.10-15,055.80-9,956.20

Finding the Fourth Proportional to 10,029.10, 15,055.80 and 9,956.20

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Solution

The fourth proportional to 10,029.10, 15,055.80 and 9,956.20 is: 14,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.10 : 15,055.80 = 9,956.20 : x
  2. Step 2: Convert to fraction form
    10,029.10/15,055.80 = 9,956.20/x
  3. Step 3: Cross multiply
    10,029.10x = 15,055.80 × 9,956.20
  4. Step 4: Simplify right side
    10,029.10x = 149,898,555.96
  5. Step 5: Solve for x
    x = 149,898,555.96/10,029.10
  6. Step 6: Final answer
    x = 14,946.36

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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.