Home / 13,547.63-20,318.41-5,224.88

Finding the Fourth Proportional to 13,547.63, 20,318.41 and 5,224.88

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Solution

The fourth proportional to 13,547.63, 20,318.41 and 5,224.88 is: 7,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.63 : 20,318.41 = 5,224.88 : x
  2. Step 2: Convert to fraction form
    13,547.63/20,318.41 = 5,224.88/x
  3. Step 3: Cross multiply
    13,547.63x = 20,318.41 × 5,224.88
  4. Step 4: Simplify right side
    13,547.63x = 106,161,254.04
  5. Step 5: Solve for x
    x = 106,161,254.04/13,547.63
  6. Step 6: Final answer
    x = 7,836.15

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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.