Home / 9,783.15-14,649.67-5,395.74

Finding the Fourth Proportional to 9,783.15, 14,649.67 and 5,395.74

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Solution

The fourth proportional to 9,783.15, 14,649.67 and 5,395.74 is: 8,079.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.15 : 14,649.67 = 5,395.74 : x
  2. Step 2: Convert to fraction form
    9,783.15/14,649.67 = 5,395.74/x
  3. Step 3: Cross multiply
    9,783.15x = 14,649.67 × 5,395.74
  4. Step 4: Simplify right side
    9,783.15x = 79,045,810.41
  5. Step 5: Solve for x
    x = 79,045,810.41/9,783.15
  6. Step 6: Final answer
    x = 8,079.79

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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.