Home / 15,574.14-21,492.90-8,860.37

Finding the Fourth Proportional to 15,574.14, 21,492.90 and 8,860.37

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Solution

The fourth proportional to 15,574.14, 21,492.90 and 8,860.37 is: 12,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.14 : 21,492.90 = 8,860.37 : x
  2. Step 2: Convert to fraction form
    15,574.14/21,492.90 = 8,860.37/x
  3. Step 3: Cross multiply
    15,574.14x = 21,492.90 × 8,860.37
  4. Step 4: Simplify right side
    15,574.14x = 190,434,938.91
  5. Step 5: Solve for x
    x = 190,434,938.91/15,574.14
  6. Step 6: Final answer
    x = 12,227.64

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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.