Home / 38,503.28-57,756.96-12,210.08

Finding the Fourth Proportional to 38,503.28, 57,756.96 and 12,210.08

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Solution

The fourth proportional to 38,503.28, 57,756.96 and 12,210.08 is: 18,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,503.28 : 57,756.96 = 12,210.08 : x
  2. Step 2: Convert to fraction form
    38,503.28/57,756.96 = 12,210.08/x
  3. Step 3: Cross multiply
    38,503.28x = 57,756.96 × 12,210.08
  4. Step 4: Simplify right side
    38,503.28x = 705,217,102.16
  5. Step 5: Solve for x
    x = 705,217,102.16/38,503.28
  6. Step 6: Final answer
    x = 18,315.77

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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.