Home / 14,045.67-21,071.65-5,280.66

Finding the Fourth Proportional to 14,045.67, 21,071.65 and 5,280.66

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Solution

The fourth proportional to 14,045.67, 21,071.65 and 5,280.66 is: 7,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.67 : 21,071.65 = 5,280.66 : x
  2. Step 2: Convert to fraction form
    14,045.67/21,071.65 = 5,280.66/x
  3. Step 3: Cross multiply
    14,045.67x = 21,071.65 × 5,280.66
  4. Step 4: Simplify right side
    14,045.67x = 111,272,206.09
  5. Step 5: Solve for x
    x = 111,272,206.09/14,045.67
  6. Step 6: Final answer
    x = 7,922.17

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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.