Home / 20,368.95-30,569.93-10,511.04

Finding the Fourth Proportional to 20,368.95, 30,569.93 and 10,511.04

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Solution

The fourth proportional to 20,368.95, 30,569.93 and 10,511.04 is: 15,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.95 : 30,569.93 = 10,511.04 : x
  2. Step 2: Convert to fraction form
    20,368.95/30,569.93 = 10,511.04/x
  3. Step 3: Cross multiply
    20,368.95x = 30,569.93 × 10,511.04
  4. Step 4: Simplify right side
    20,368.95x = 321,321,757.03
  5. Step 5: Solve for x
    x = 321,321,757.03/20,368.95
  6. Step 6: Final answer
    x = 15,775.08

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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.