Home / 21,433.35-29,585.48-12,484.47

Finding the Fourth Proportional to 21,433.35, 29,585.48 and 12,484.47

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Solution

The fourth proportional to 21,433.35, 29,585.48 and 12,484.47 is: 17,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.35 : 29,585.48 = 12,484.47 : x
  2. Step 2: Convert to fraction form
    21,433.35/29,585.48 = 12,484.47/x
  3. Step 3: Cross multiply
    21,433.35x = 29,585.48 × 12,484.47
  4. Step 4: Simplify right side
    21,433.35x = 369,358,975.07
  5. Step 5: Solve for x
    x = 369,358,975.07/21,433.35
  6. Step 6: Final answer
    x = 17,232.91

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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.