Home / 10,876.36-15,001.04-7,290.20

Finding the Fourth Proportional to 10,876.36, 15,001.04 and 7,290.20

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Solution

The fourth proportional to 10,876.36, 15,001.04 and 7,290.20 is: 10,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.36 : 15,001.04 = 7,290.20 : x
  2. Step 2: Convert to fraction form
    10,876.36/15,001.04 = 7,290.20/x
  3. Step 3: Cross multiply
    10,876.36x = 15,001.04 × 7,290.20
  4. Step 4: Simplify right side
    10,876.36x = 109,360,525.03
  5. Step 5: Solve for x
    x = 109,360,525.03/10,876.36
  6. Step 6: Final answer
    x = 10,054.89

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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.