Home / 17,312.04-25,942.52-7,928.91

Finding the Fourth Proportional to 17,312.04, 25,942.52 and 7,928.91

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Solution

The fourth proportional to 17,312.04, 25,942.52 and 7,928.91 is: 11,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.04 : 25,942.52 = 7,928.91 : x
  2. Step 2: Convert to fraction form
    17,312.04/25,942.52 = 7,928.91/x
  3. Step 3: Cross multiply
    17,312.04x = 25,942.52 × 7,928.91
  4. Step 4: Simplify right side
    17,312.04x = 205,695,866.61
  5. Step 5: Solve for x
    x = 205,695,866.61/17,312.04
  6. Step 6: Final answer
    x = 11,881.67

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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.