Home / 10,325.21-15,556.70-9,339.17

Finding the Fourth Proportional to 10,325.21, 15,556.70 and 9,339.17

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Solution

The fourth proportional to 10,325.21, 15,556.70 and 9,339.17 is: 14,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.21 : 15,556.70 = 9,339.17 : x
  2. Step 2: Convert to fraction form
    10,325.21/15,556.70 = 9,339.17/x
  3. Step 3: Cross multiply
    10,325.21x = 15,556.70 × 9,339.17
  4. Step 4: Simplify right side
    10,325.21x = 145,286,541.46
  5. Step 5: Solve for x
    x = 145,286,541.46/10,325.21
  6. Step 6: Final answer
    x = 14,071.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.