Home / 12,276.02-16,927.84-9,719.51

Finding the Fourth Proportional to 12,276.02, 16,927.84 and 9,719.51

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Solution

The fourth proportional to 12,276.02, 16,927.84 and 9,719.51 is: 13,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.02 : 16,927.84 = 9,719.51 : x
  2. Step 2: Convert to fraction form
    12,276.02/16,927.84 = 9,719.51/x
  3. Step 3: Cross multiply
    12,276.02x = 16,927.84 × 9,719.51
  4. Step 4: Simplify right side
    12,276.02x = 164,530,206.80
  5. Step 5: Solve for x
    x = 164,530,206.80/12,276.02
  6. Step 6: Final answer
    x = 13,402.57

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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.