Home / 13,547.66-18,694.90-7,579.27

Finding the Fourth Proportional to 13,547.66, 18,694.90 and 7,579.27

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Solution

The fourth proportional to 13,547.66, 18,694.90 and 7,579.27 is: 10,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.66 : 18,694.90 = 7,579.27 : x
  2. Step 2: Convert to fraction form
    13,547.66/18,694.90 = 7,579.27/x
  3. Step 3: Cross multiply
    13,547.66x = 18,694.90 × 7,579.27
  4. Step 4: Simplify right side
    13,547.66x = 141,693,727.57
  5. Step 5: Solve for x
    x = 141,693,727.57/13,547.66
  6. Step 6: Final answer
    x = 10,458.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.