Home / 10,407.24-15,590.70-9,243.72

Finding the Fourth Proportional to 10,407.24, 15,590.70 and 9,243.72

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Solution

The fourth proportional to 10,407.24, 15,590.70 and 9,243.72 is: 13,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.24 : 15,590.70 = 9,243.72 : x
  2. Step 2: Convert to fraction form
    10,407.24/15,590.70 = 9,243.72/x
  3. Step 3: Cross multiply
    10,407.24x = 15,590.70 × 9,243.72
  4. Step 4: Simplify right side
    10,407.24x = 144,116,065.40
  5. Step 5: Solve for x
    x = 144,116,065.40/10,407.24
  6. Step 6: Final answer
    x = 13,847.67

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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.