Home / 15,166.50-20,931.93-14,502.30

Finding the Fourth Proportional to 15,166.50, 20,931.93 and 14,502.30

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Solution

The fourth proportional to 15,166.50, 20,931.93 and 14,502.30 is: 20,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.50 : 20,931.93 = 14,502.30 : x
  2. Step 2: Convert to fraction form
    15,166.50/20,931.93 = 14,502.30/x
  3. Step 3: Cross multiply
    15,166.50x = 20,931.93 × 14,502.30
  4. Step 4: Simplify right side
    15,166.50x = 303,561,128.44
  5. Step 5: Solve for x
    x = 303,561,128.44/15,166.50
  6. Step 6: Final answer
    x = 20,015.24

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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.