Home / 19,023.34-28,493.40-9,647.20

Finding the Fourth Proportional to 19,023.34, 28,493.40 and 9,647.20

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Solution

The fourth proportional to 19,023.34, 28,493.40 and 9,647.20 is: 14,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.34 : 28,493.40 = 9,647.20 : x
  2. Step 2: Convert to fraction form
    19,023.34/28,493.40 = 9,647.20/x
  3. Step 3: Cross multiply
    19,023.34x = 28,493.40 × 9,647.20
  4. Step 4: Simplify right side
    19,023.34x = 274,881,528.48
  5. Step 5: Solve for x
    x = 274,881,528.48/19,023.34
  6. Step 6: Final answer
    x = 14,449.70

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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.