Home / 12,313.02-18,455.85-9,381.66

Finding the Fourth Proportional to 12,313.02, 18,455.85 and 9,381.66

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Solution

The fourth proportional to 12,313.02, 18,455.85 and 9,381.66 is: 14,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.02 : 18,455.85 = 9,381.66 : x
  2. Step 2: Convert to fraction form
    12,313.02/18,455.85 = 9,381.66/x
  3. Step 3: Cross multiply
    12,313.02x = 18,455.85 × 9,381.66
  4. Step 4: Simplify right side
    12,313.02x = 173,146,509.71
  5. Step 5: Solve for x
    x = 173,146,509.71/12,313.02
  6. Step 6: Final answer
    x = 14,062.07

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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.