Home / 14,777.47-22,154.68-7,378.21

Finding the Fourth Proportional to 14,777.47, 22,154.68 and 7,378.21

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Solution

The fourth proportional to 14,777.47, 22,154.68 and 7,378.21 is: 11,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.47 : 22,154.68 = 7,378.21 : x
  2. Step 2: Convert to fraction form
    14,777.47/22,154.68 = 7,378.21/x
  3. Step 3: Cross multiply
    14,777.47x = 22,154.68 × 7,378.21
  4. Step 4: Simplify right side
    14,777.47x = 163,461,881.52
  5. Step 5: Solve for x
    x = 163,461,881.52/14,777.47
  6. Step 6: Final answer
    x = 11,061.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.