Home / 10,390.26-15,590.25-6,011.40

Finding the Fourth Proportional to 10,390.26, 15,590.25 and 6,011.40

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Solution

The fourth proportional to 10,390.26, 15,590.25 and 6,011.40 is: 9,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.26 : 15,590.25 = 6,011.40 : x
  2. Step 2: Convert to fraction form
    10,390.26/15,590.25 = 6,011.40/x
  3. Step 3: Cross multiply
    10,390.26x = 15,590.25 × 6,011.40
  4. Step 4: Simplify right side
    10,390.26x = 93,719,228.85
  5. Step 5: Solve for x
    x = 93,719,228.85/10,390.26
  6. Step 6: Final answer
    x = 9,019.91

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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.