Home / 15,417.18-21,273.44-9,041.36

Finding the Fourth Proportional to 15,417.18, 21,273.44 and 9,041.36

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Solution

The fourth proportional to 15,417.18, 21,273.44 and 9,041.36 is: 12,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.18 : 21,273.44 = 9,041.36 : x
  2. Step 2: Convert to fraction form
    15,417.18/21,273.44 = 9,041.36/x
  3. Step 3: Cross multiply
    15,417.18x = 21,273.44 × 9,041.36
  4. Step 4: Simplify right side
    15,417.18x = 192,340,784.27
  5. Step 5: Solve for x
    x = 192,340,784.27/15,417.18
  6. Step 6: Final answer
    x = 12,475.74

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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.