Home / 15,182.54-20,953.73-8,894.91

Finding the Fourth Proportional to 15,182.54, 20,953.73 and 8,894.91

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Solution

The fourth proportional to 15,182.54, 20,953.73 and 8,894.91 is: 12,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.54 : 20,953.73 = 8,894.91 : x
  2. Step 2: Convert to fraction form
    15,182.54/20,953.73 = 8,894.91/x
  3. Step 3: Cross multiply
    15,182.54x = 20,953.73 × 8,894.91
  4. Step 4: Simplify right side
    15,182.54x = 186,381,498.04
  5. Step 5: Solve for x
    x = 186,381,498.04/15,182.54
  6. Step 6: Final answer
    x = 12,276.05

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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.