Home / 19,280.04-28,894.14-7,590.12

Finding the Fourth Proportional to 19,280.04, 28,894.14 and 7,590.12

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Solution

The fourth proportional to 19,280.04, 28,894.14 and 7,590.12 is: 11,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.04 : 28,894.14 = 7,590.12 : x
  2. Step 2: Convert to fraction form
    19,280.04/28,894.14 = 7,590.12/x
  3. Step 3: Cross multiply
    19,280.04x = 28,894.14 × 7,590.12
  4. Step 4: Simplify right side
    19,280.04x = 219,309,989.90
  5. Step 5: Solve for x
    x = 219,309,989.90/19,280.04
  6. Step 6: Final answer
    x = 11,374.98

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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.