Home / 15,746.28-21,723.66-9,030.48

Finding the Fourth Proportional to 15,746.28, 21,723.66 and 9,030.48

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Solution

The fourth proportional to 15,746.28, 21,723.66 and 9,030.48 is: 12,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.28 : 21,723.66 = 9,030.48 : x
  2. Step 2: Convert to fraction form
    15,746.28/21,723.66 = 9,030.48/x
  3. Step 3: Cross multiply
    15,746.28x = 21,723.66 × 9,030.48
  4. Step 4: Simplify right side
    15,746.28x = 196,175,077.16
  5. Step 5: Solve for x
    x = 196,175,077.16/15,746.28
  6. Step 6: Final answer
    x = 12,458.50

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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.