Home / 12,685.26-19,030.77-6,841.74

Finding the Fourth Proportional to 12,685.26, 19,030.77 and 6,841.74

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Solution

The fourth proportional to 12,685.26, 19,030.77 and 6,841.74 is: 10,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685.26 : 19,030.77 = 6,841.74 : x
  2. Step 2: Convert to fraction form
    12,685.26/19,030.77 = 6,841.74/x
  3. Step 3: Cross multiply
    12,685.26x = 19,030.77 × 6,841.74
  4. Step 4: Simplify right side
    12,685.26x = 130,203,580.34
  5. Step 5: Solve for x
    x = 130,203,580.34/12,685.26
  6. Step 6: Final answer
    x = 10,264.16

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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.