Home / 10,312.32-15,455.52-7,396.32

Finding the Fourth Proportional to 10,312.32, 15,455.52 and 7,396.32

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Solution

The fourth proportional to 10,312.32, 15,455.52 and 7,396.32 is: 11,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.32 : 15,455.52 = 7,396.32 : x
  2. Step 2: Convert to fraction form
    10,312.32/15,455.52 = 7,396.32/x
  3. Step 3: Cross multiply
    10,312.32x = 15,455.52 × 7,396.32
  4. Step 4: Simplify right side
    10,312.32x = 114,313,971.69
  5. Step 5: Solve for x
    x = 114,313,971.69/10,312.32
  6. Step 6: Final answer
    x = 11,085.18

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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.