Home / 19,010.34-28,517.36-4,970.30

Finding the Fourth Proportional to 19,010.34, 28,517.36 and 4,970.30

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Solution

The fourth proportional to 19,010.34, 28,517.36 and 4,970.30 is: 7,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.34 : 28,517.36 = 4,970.30 : x
  2. Step 2: Convert to fraction form
    19,010.34/28,517.36 = 4,970.30/x
  3. Step 3: Cross multiply
    19,010.34x = 28,517.36 × 4,970.30
  4. Step 4: Simplify right side
    19,010.34x = 141,739,666.97
  5. Step 5: Solve for x
    x = 141,739,666.97/19,010.34
  6. Step 6: Final answer
    x = 7,455.92

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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.