Home / 15,113.04-20,837.25-10,066.20

Finding the Fourth Proportional to 15,113.04, 20,837.25 and 10,066.20

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Solution

The fourth proportional to 15,113.04, 20,837.25 and 10,066.20 is: 13,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.04 : 20,837.25 = 10,066.20 : x
  2. Step 2: Convert to fraction form
    15,113.04/20,837.25 = 10,066.20/x
  3. Step 3: Cross multiply
    15,113.04x = 20,837.25 × 10,066.20
  4. Step 4: Simplify right side
    15,113.04x = 209,751,925.95
  5. Step 5: Solve for x
    x = 209,751,925.95/15,113.04
  6. Step 6: Final answer
    x = 13,878.87

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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.