Home / 15,041.21-20,756.19-8,326.36

Finding the Fourth Proportional to 15,041.21, 20,756.19 and 8,326.36

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Solution

The fourth proportional to 15,041.21, 20,756.19 and 8,326.36 is: 11,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.21 : 20,756.19 = 8,326.36 : x
  2. Step 2: Convert to fraction form
    15,041.21/20,756.19 = 8,326.36/x
  3. Step 3: Cross multiply
    15,041.21x = 20,756.19 × 8,326.36
  4. Step 4: Simplify right side
    15,041.21x = 172,823,510.17
  5. Step 5: Solve for x
    x = 172,823,510.17/15,041.21
  6. Step 6: Final answer
    x = 11,490.00

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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.