Home / 10,442.07-15,623.85-7,328.15

Finding the Fourth Proportional to 10,442.07, 15,623.85 and 7,328.15

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Solution

The fourth proportional to 10,442.07, 15,623.85 and 7,328.15 is: 10,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.07 : 15,623.85 = 7,328.15 : x
  2. Step 2: Convert to fraction form
    10,442.07/15,623.85 = 7,328.15/x
  3. Step 3: Cross multiply
    10,442.07x = 15,623.85 × 7,328.15
  4. Step 4: Simplify right side
    10,442.07x = 114,493,838.26
  5. Step 5: Solve for x
    x = 114,493,838.26/10,442.07
  6. Step 6: Final answer
    x = 10,964.67

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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.