Home / 16,894.47-23,312.90-10,521.80

Finding the Fourth Proportional to 16,894.47, 23,312.90 and 10,521.80

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Solution

The fourth proportional to 16,894.47, 23,312.90 and 10,521.80 is: 14,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.47 : 23,312.90 = 10,521.80 : x
  2. Step 2: Convert to fraction form
    16,894.47/23,312.90 = 10,521.80/x
  3. Step 3: Cross multiply
    16,894.47x = 23,312.90 × 10,521.80
  4. Step 4: Simplify right side
    16,894.47x = 245,293,502.05
  5. Step 5: Solve for x
    x = 245,293,502.05/16,894.47
  6. Step 6: Final answer
    x = 14,519.16

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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.