Home / 20,155.95-30,233.99-6,116.10

Finding the Fourth Proportional to 20,155.95, 30,233.99 and 6,116.10

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Solution

The fourth proportional to 20,155.95, 30,233.99 and 6,116.10 is: 9,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155.95 : 30,233.99 = 6,116.10 : x
  2. Step 2: Convert to fraction form
    20,155.95/30,233.99 = 6,116.10/x
  3. Step 3: Cross multiply
    20,155.95x = 30,233.99 × 6,116.10
  4. Step 4: Simplify right side
    20,155.95x = 184,913,955.07
  5. Step 5: Solve for x
    x = 184,913,955.07/20,155.95
  6. Step 6: Final answer
    x = 9,174.16

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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.