Home / 19,590.30-29,404.65-9,740.70

Finding the Fourth Proportional to 19,590.30, 29,404.65 and 9,740.70

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Solution

The fourth proportional to 19,590.30, 29,404.65 and 9,740.70 is: 14,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.30 : 29,404.65 = 9,740.70 : x
  2. Step 2: Convert to fraction form
    19,590.30/29,404.65 = 9,740.70/x
  3. Step 3: Cross multiply
    19,590.30x = 29,404.65 × 9,740.70
  4. Step 4: Simplify right side
    19,590.30x = 286,421,874.26
  5. Step 5: Solve for x
    x = 286,421,874.26/19,590.30
  6. Step 6: Final answer
    x = 14,620.60

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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.