Home / 14,431.40-21,636.54-4,565.16

Finding the Fourth Proportional to 14,431.40, 21,636.54 and 4,565.16

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Solution

The fourth proportional to 14,431.40, 21,636.54 and 4,565.16 is: 6,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.40 : 21,636.54 = 4,565.16 : x
  2. Step 2: Convert to fraction form
    14,431.40/21,636.54 = 4,565.16/x
  3. Step 3: Cross multiply
    14,431.40x = 21,636.54 × 4,565.16
  4. Step 4: Simplify right side
    14,431.40x = 98,774,266.95
  5. Step 5: Solve for x
    x = 98,774,266.95/14,431.40
  6. Step 6: Final answer
    x = 6,844.40

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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.