Home / 10,133.19-13,977.57-6,730.35

Finding the Fourth Proportional to 10,133.19, 13,977.57 and 6,730.35

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Solution

The fourth proportional to 10,133.19, 13,977.57 and 6,730.35 is: 9,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.19 : 13,977.57 = 6,730.35 : x
  2. Step 2: Convert to fraction form
    10,133.19/13,977.57 = 6,730.35/x
  3. Step 3: Cross multiply
    10,133.19x = 13,977.57 × 6,730.35
  4. Step 4: Simplify right side
    10,133.19x = 94,073,938.25
  5. Step 5: Solve for x
    x = 94,073,938.25/10,133.19
  6. Step 6: Final answer
    x = 9,283.74

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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.