Home / 10,556.04-15,756.09-9,310.89

Finding the Fourth Proportional to 10,556.04, 15,756.09 and 9,310.89

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Solution

The fourth proportional to 10,556.04, 15,756.09 and 9,310.89 is: 13,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.04 : 15,756.09 = 9,310.89 : x
  2. Step 2: Convert to fraction form
    10,556.04/15,756.09 = 9,310.89/x
  3. Step 3: Cross multiply
    10,556.04x = 15,756.09 × 9,310.89
  4. Step 4: Simplify right side
    10,556.04x = 146,703,220.82
  5. Step 5: Solve for x
    x = 146,703,220.82/10,556.04
  6. Step 6: Final answer
    x = 13,897.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.