Home / 15,299.18-21,173.59-14,931.03

Finding the Fourth Proportional to 15,299.18, 21,173.59 and 14,931.03

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Solution

The fourth proportional to 15,299.18, 21,173.59 and 14,931.03 is: 20,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.18 : 21,173.59 = 14,931.03 : x
  2. Step 2: Convert to fraction form
    15,299.18/21,173.59 = 14,931.03/x
  3. Step 3: Cross multiply
    15,299.18x = 21,173.59 × 14,931.03
  4. Step 4: Simplify right side
    15,299.18x = 316,143,432.84
  5. Step 5: Solve for x
    x = 316,143,432.84/15,299.18
  6. Step 6: Final answer
    x = 20,664.08

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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.