Home / 15,288.94-21,096.21-9,002.53

Finding the Fourth Proportional to 15,288.94, 21,096.21 and 9,002.53

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Solution

The fourth proportional to 15,288.94, 21,096.21 and 9,002.53 is: 12,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.94 : 21,096.21 = 9,002.53 : x
  2. Step 2: Convert to fraction form
    15,288.94/21,096.21 = 9,002.53/x
  3. Step 3: Cross multiply
    15,288.94x = 21,096.21 × 9,002.53
  4. Step 4: Simplify right side
    15,288.94x = 189,919,263.41
  5. Step 5: Solve for x
    x = 189,919,263.41/15,288.94
  6. Step 6: Final answer
    x = 12,422.00

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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.