Home / 15,478.56-23,207.04-6,111.72

Finding the Fourth Proportional to 15,478.56, 23,207.04 and 6,111.72

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Solution

The fourth proportional to 15,478.56, 23,207.04 and 6,111.72 is: 9,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.56 : 23,207.04 = 6,111.72 : x
  2. Step 2: Convert to fraction form
    15,478.56/23,207.04 = 6,111.72/x
  3. Step 3: Cross multiply
    15,478.56x = 23,207.04 × 6,111.72
  4. Step 4: Simplify right side
    15,478.56x = 141,834,930.51
  5. Step 5: Solve for x
    x = 141,834,930.51/15,478.56
  6. Step 6: Final answer
    x = 9,163.32

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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.