Home / 15,265.79-21,069.86-10,433.42

Finding the Fourth Proportional to 15,265.79, 21,069.86 and 10,433.42

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Solution

The fourth proportional to 15,265.79, 21,069.86 and 10,433.42 is: 14,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.79 : 21,069.86 = 10,433.42 : x
  2. Step 2: Convert to fraction form
    15,265.79/21,069.86 = 10,433.42/x
  3. Step 3: Cross multiply
    15,265.79x = 21,069.86 × 10,433.42
  4. Step 4: Simplify right side
    15,265.79x = 219,830,698.72
  5. Step 5: Solve for x
    x = 219,830,698.72/15,265.79
  6. Step 6: Final answer
    x = 14,400.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.