Home / 13,547.56-20,315.92-5,222.96

Finding the Fourth Proportional to 13,547.56, 20,315.92 and 5,222.96

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Solution

The fourth proportional to 13,547.56, 20,315.92 and 5,222.96 is: 7,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.56 : 20,315.92 = 5,222.96 : x
  2. Step 2: Convert to fraction form
    13,547.56/20,315.92 = 5,222.96/x
  3. Step 3: Cross multiply
    13,547.56x = 20,315.92 × 5,222.96
  4. Step 4: Simplify right side
    13,547.56x = 106,109,237.52
  5. Step 5: Solve for x
    x = 106,109,237.52/13,547.56
  6. Step 6: Final answer
    x = 7,832.35

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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.