Home / 12,886.32-19,417.24-10,597.60

Finding the Fourth Proportional to 12,886.32, 19,417.24 and 10,597.60

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Solution

The fourth proportional to 12,886.32, 19,417.24 and 10,597.60 is: 15,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.32 : 19,417.24 = 10,597.60 : x
  2. Step 2: Convert to fraction form
    12,886.32/19,417.24 = 10,597.60/x
  3. Step 3: Cross multiply
    12,886.32x = 19,417.24 × 10,597.60
  4. Step 4: Simplify right side
    12,886.32x = 205,776,142.62
  5. Step 5: Solve for x
    x = 205,776,142.62/12,886.32
  6. Step 6: Final answer
    x = 15,968.57

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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.