Home / 14,045.28-21,071.52-5,282.70

Finding the Fourth Proportional to 14,045.28, 21,071.52 and 5,282.70

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Solution

The fourth proportional to 14,045.28, 21,071.52 and 5,282.70 is: 7,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.28 : 21,071.52 = 5,282.70 : x
  2. Step 2: Convert to fraction form
    14,045.28/21,071.52 = 5,282.70/x
  3. Step 3: Cross multiply
    14,045.28x = 21,071.52 × 5,282.70
  4. Step 4: Simplify right side
    14,045.28x = 111,314,518.70
  5. Step 5: Solve for x
    x = 111,314,518.70/14,045.28
  6. Step 6: Final answer
    x = 7,925.40

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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.