Home / 15,454.10-21,325.09-9,486.02

Finding the Fourth Proportional to 15,454.10, 21,325.09 and 9,486.02

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Solution

The fourth proportional to 15,454.10, 21,325.09 and 9,486.02 is: 13,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,454.10 : 21,325.09 = 9,486.02 : x
  2. Step 2: Convert to fraction form
    15,454.10/21,325.09 = 9,486.02/x
  3. Step 3: Cross multiply
    15,454.10x = 21,325.09 × 9,486.02
  4. Step 4: Simplify right side
    15,454.10x = 202,290,230.24
  5. Step 5: Solve for x
    x = 202,290,230.24/15,454.10
  6. Step 6: Final answer
    x = 13,089.75

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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.