Home / 18,891.02-28,318.04-7,036.09

Finding the Fourth Proportional to 18,891.02, 28,318.04 and 7,036.09

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Solution

The fourth proportional to 18,891.02, 28,318.04 and 7,036.09 is: 10,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.02 : 28,318.04 = 7,036.09 : x
  2. Step 2: Convert to fraction form
    18,891.02/28,318.04 = 7,036.09/x
  3. Step 3: Cross multiply
    18,891.02x = 28,318.04 × 7,036.09
  4. Step 4: Simplify right side
    18,891.02x = 199,248,278.06
  5. Step 5: Solve for x
    x = 199,248,278.06/18,891.02
  6. Step 6: Final answer
    x = 10,547.25

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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.