Home / 14,085.67-21,130.56-4,225.71

Finding the Fourth Proportional to 14,085.67, 21,130.56 and 4,225.71

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Solution

The fourth proportional to 14,085.67, 21,130.56 and 4,225.71 is: 6,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.67 : 21,130.56 = 4,225.71 : x
  2. Step 2: Convert to fraction form
    14,085.67/21,130.56 = 4,225.71/x
  3. Step 3: Cross multiply
    14,085.67x = 21,130.56 × 4,225.71
  4. Step 4: Simplify right side
    14,085.67x = 89,291,677.14
  5. Step 5: Solve for x
    x = 89,291,677.14/14,085.67
  6. Step 6: Final answer
    x = 6,339.19

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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.