Home / 16,985.79-25,445.52-11,124.63

Finding the Fourth Proportional to 16,985.79, 25,445.52 and 11,124.63

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Solution

The fourth proportional to 16,985.79, 25,445.52 and 11,124.63 is: 16,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.79 : 25,445.52 = 11,124.63 : x
  2. Step 2: Convert to fraction form
    16,985.79/25,445.52 = 11,124.63/x
  3. Step 3: Cross multiply
    16,985.79x = 25,445.52 × 11,124.63
  4. Step 4: Simplify right side
    16,985.79x = 283,071,995.16
  5. Step 5: Solve for x
    x = 283,071,995.16/16,985.79
  6. Step 6: Final answer
    x = 16,665.22

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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.