Home / 10,686.32-14,740.26-7,101.20

Finding the Fourth Proportional to 10,686.32, 14,740.26 and 7,101.20

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Solution

The fourth proportional to 10,686.32, 14,740.26 and 7,101.20 is: 9,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.32 : 14,740.26 = 7,101.20 : x
  2. Step 2: Convert to fraction form
    10,686.32/14,740.26 = 7,101.20/x
  3. Step 3: Cross multiply
    10,686.32x = 14,740.26 × 7,101.20
  4. Step 4: Simplify right side
    10,686.32x = 104,673,534.31
  5. Step 5: Solve for x
    x = 104,673,534.31/10,686.32
  6. Step 6: Final answer
    x = 9,795.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.