Home / 16,865.45-23,275.73-9,312.47

Finding the Fourth Proportional to 16,865.45, 23,275.73 and 9,312.47

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Solution

The fourth proportional to 16,865.45, 23,275.73 and 9,312.47 is: 12,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.45 : 23,275.73 = 9,312.47 : x
  2. Step 2: Convert to fraction form
    16,865.45/23,275.73 = 9,312.47/x
  3. Step 3: Cross multiply
    16,865.45x = 23,275.73 × 9,312.47
  4. Step 4: Simplify right side
    16,865.45x = 216,754,490.79
  5. Step 5: Solve for x
    x = 216,754,490.79/16,865.45
  6. Step 6: Final answer
    x = 12,851.98

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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.