Home / 14,156.73-21,214.93-10,429.65

Finding the Fourth Proportional to 14,156.73, 21,214.93 and 10,429.65

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Solution

The fourth proportional to 14,156.73, 21,214.93 and 10,429.65 is: 15,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.73 : 21,214.93 = 10,429.65 : x
  2. Step 2: Convert to fraction form
    14,156.73/21,214.93 = 10,429.65/x
  3. Step 3: Cross multiply
    14,156.73x = 21,214.93 × 10,429.65
  4. Step 4: Simplify right side
    14,156.73x = 221,264,294.67
  5. Step 5: Solve for x
    x = 221,264,294.67/14,156.73
  6. Step 6: Final answer
    x = 15,629.62

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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.