Home / 21,387.19-32,077.77-7,347.01

Finding the Fourth Proportional to 21,387.19, 32,077.77 and 7,347.01

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Solution

The fourth proportional to 21,387.19, 32,077.77 and 7,347.01 is: 11,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387.19 : 32,077.77 = 7,347.01 : x
  2. Step 2: Convert to fraction form
    21,387.19/32,077.77 = 7,347.01/x
  3. Step 3: Cross multiply
    21,387.19x = 32,077.77 × 7,347.01
  4. Step 4: Simplify right side
    21,387.19x = 235,675,696.97
  5. Step 5: Solve for x
    x = 235,675,696.97/21,387.19
  6. Step 6: Final answer
    x = 11,019.48

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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.