Home / 20,250.05-30,368.47-9,575.35

Finding the Fourth Proportional to 20,250.05, 30,368.47 and 9,575.35

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Solution

The fourth proportional to 20,250.05, 30,368.47 and 9,575.35 is: 14,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.05 : 30,368.47 = 9,575.35 : x
  2. Step 2: Convert to fraction form
    20,250.05/30,368.47 = 9,575.35/x
  3. Step 3: Cross multiply
    20,250.05x = 30,368.47 × 9,575.35
  4. Step 4: Simplify right side
    20,250.05x = 290,788,779.14
  5. Step 5: Solve for x
    x = 290,788,779.14/20,250.05
  6. Step 6: Final answer
    x = 14,359.91

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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.