Home / 19,000.34-28,501.08-6,520.18

Finding the Fourth Proportional to 19,000.34, 28,501.08 and 6,520.18

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Solution

The fourth proportional to 19,000.34, 28,501.08 and 6,520.18 is: 9,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.34 : 28,501.08 = 6,520.18 : x
  2. Step 2: Convert to fraction form
    19,000.34/28,501.08 = 6,520.18/x
  3. Step 3: Cross multiply
    19,000.34x = 28,501.08 × 6,520.18
  4. Step 4: Simplify right side
    19,000.34x = 185,832,171.79
  5. Step 5: Solve for x
    x = 185,832,171.79/19,000.34
  6. Step 6: Final answer
    x = 9,780.47

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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.