Home / 15,574.41-21,492.07-8,500.82

Finding the Fourth Proportional to 15,574.41, 21,492.07 and 8,500.82

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Solution

The fourth proportional to 15,574.41, 21,492.07 and 8,500.82 is: 11,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.41 : 21,492.07 = 8,500.82 : x
  2. Step 2: Convert to fraction form
    15,574.41/21,492.07 = 8,500.82/x
  3. Step 3: Cross multiply
    15,574.41x = 21,492.07 × 8,500.82
  4. Step 4: Simplify right side
    15,574.41x = 182,700,089.79
  5. Step 5: Solve for x
    x = 182,700,089.79/15,574.41
  6. Step 6: Final answer
    x = 11,730.79

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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.