Home / 14,045.90-21,066.42-5,280.89

Finding the Fourth Proportional to 14,045.90, 21,066.42 and 5,280.89

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Solution

The fourth proportional to 14,045.90, 21,066.42 and 5,280.89 is: 7,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.90 : 21,066.42 = 5,280.89 : x
  2. Step 2: Convert to fraction form
    14,045.90/21,066.42 = 5,280.89/x
  3. Step 3: Cross multiply
    14,045.90x = 21,066.42 × 5,280.89
  4. Step 4: Simplify right side
    14,045.90x = 111,249,446.71
  5. Step 5: Solve for x
    x = 111,249,446.71/14,045.90
  6. Step 6: Final answer
    x = 7,920.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.