Home / 14,030.64-21,044.88-5,146.20

Finding the Fourth Proportional to 14,030.64, 21,044.88 and 5,146.20

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Solution

The fourth proportional to 14,030.64, 21,044.88 and 5,146.20 is: 7,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.64 : 21,044.88 = 5,146.20 : x
  2. Step 2: Convert to fraction form
    14,030.64/21,044.88 = 5,146.20/x
  3. Step 3: Cross multiply
    14,030.64x = 21,044.88 × 5,146.20
  4. Step 4: Simplify right side
    14,030.64x = 108,301,161.46
  5. Step 5: Solve for x
    x = 108,301,161.46/14,030.64
  6. Step 6: Final answer
    x = 7,718.90

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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.