Home / 10,135.63-13,988.19-6,157.14

Finding the Fourth Proportional to 10,135.63, 13,988.19 and 6,157.14

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Solution

The fourth proportional to 10,135.63, 13,988.19 and 6,157.14 is: 8,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.63 : 13,988.19 = 6,157.14 : x
  2. Step 2: Convert to fraction form
    10,135.63/13,988.19 = 6,157.14/x
  3. Step 3: Cross multiply
    10,135.63x = 13,988.19 × 6,157.14
  4. Step 4: Simplify right side
    10,135.63x = 86,127,244.18
  5. Step 5: Solve for x
    x = 86,127,244.18/10,135.63
  6. Step 6: Final answer
    x = 8,497.47

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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.