Home / 14,338.19-21,507.28-4,478.31

Finding the Fourth Proportional to 14,338.19, 21,507.28 and 4,478.31

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Solution

The fourth proportional to 14,338.19, 21,507.28 and 4,478.31 is: 6,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.19 : 21,507.28 = 4,478.31 : x
  2. Step 2: Convert to fraction form
    14,338.19/21,507.28 = 4,478.31/x
  3. Step 3: Cross multiply
    14,338.19x = 21,507.28 × 4,478.31
  4. Step 4: Simplify right side
    14,338.19x = 96,316,137.17
  5. Step 5: Solve for x
    x = 96,316,137.17/14,338.19
  6. Step 6: Final answer
    x = 6,717.46

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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.