Home / 14,836.64-20,491.36-10,112.72

Finding the Fourth Proportional to 14,836.64, 20,491.36 and 10,112.72

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Solution

The fourth proportional to 14,836.64, 20,491.36 and 10,112.72 is: 13,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.64 : 20,491.36 = 10,112.72 : x
  2. Step 2: Convert to fraction form
    14,836.64/20,491.36 = 10,112.72/x
  3. Step 3: Cross multiply
    14,836.64x = 20,491.36 × 10,112.72
  4. Step 4: Simplify right side
    14,836.64x = 207,223,386.10
  5. Step 5: Solve for x
    x = 207,223,386.10/14,836.64
  6. Step 6: Final answer
    x = 13,967.00

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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.