Home / 15,070.44-22,590.78-6,311.40

Finding the Fourth Proportional to 15,070.44, 22,590.78 and 6,311.40

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Solution

The fourth proportional to 15,070.44, 22,590.78 and 6,311.40 is: 9,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070.44 : 22,590.78 = 6,311.40 : x
  2. Step 2: Convert to fraction form
    15,070.44/22,590.78 = 6,311.40/x
  3. Step 3: Cross multiply
    15,070.44x = 22,590.78 × 6,311.40
  4. Step 4: Simplify right side
    15,070.44x = 142,579,448.89
  5. Step 5: Solve for x
    x = 142,579,448.89/15,070.44
  6. Step 6: Final answer
    x = 9,460.87

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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.