Home / 14,767.61-20,382.62-9,389.00

Finding the Fourth Proportional to 14,767.61, 20,382.62 and 9,389.00

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Solution

The fourth proportional to 14,767.61, 20,382.62 and 9,389.00 is: 12,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.61 : 20,382.62 = 9,389.00 : x
  2. Step 2: Convert to fraction form
    14,767.61/20,382.62 = 9,389.00/x
  3. Step 3: Cross multiply
    14,767.61x = 20,382.62 × 9,389.00
  4. Step 4: Simplify right side
    14,767.61x = 191,372,423.19
  5. Step 5: Solve for x
    x = 191,372,423.19/14,767.61
  6. Step 6: Final answer
    x = 12,958.93

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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.