Home / 16,894.02-23,312.81-9,339.91

Finding the Fourth Proportional to 16,894.02, 23,312.81 and 9,339.91

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Solution

The fourth proportional to 16,894.02, 23,312.81 and 9,339.91 is: 12,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.02 : 23,312.81 = 9,339.91 : x
  2. Step 2: Convert to fraction form
    16,894.02/23,312.81 = 9,339.91/x
  3. Step 3: Cross multiply
    16,894.02x = 23,312.81 × 9,339.91
  4. Step 4: Simplify right side
    16,894.02x = 217,739,659.84
  5. Step 5: Solve for x
    x = 217,739,659.84/16,894.02
  6. Step 6: Final answer
    x = 12,888.56

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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.