Home / 10,556.16-15,830.40-10,072.32

Finding the Fourth Proportional to 10,556.16, 15,830.40 and 10,072.32

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Solution

The fourth proportional to 10,556.16, 15,830.40 and 10,072.32 is: 15,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.16 : 15,830.40 = 10,072.32 : x
  2. Step 2: Convert to fraction form
    10,556.16/15,830.40 = 10,072.32/x
  3. Step 3: Cross multiply
    10,556.16x = 15,830.40 × 10,072.32
  4. Step 4: Simplify right side
    10,556.16x = 159,448,854.53
  5. Step 5: Solve for x
    x = 159,448,854.53/10,556.16
  6. Step 6: Final answer
    x = 15,104.82

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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.