Home / 10,368.02-14,308.14-6,391.76

Finding the Fourth Proportional to 10,368.02, 14,308.14 and 6,391.76

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Solution

The fourth proportional to 10,368.02, 14,308.14 and 6,391.76 is: 8,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.02 : 14,308.14 = 6,391.76 : x
  2. Step 2: Convert to fraction form
    10,368.02/14,308.14 = 6,391.76/x
  3. Step 3: Cross multiply
    10,368.02x = 14,308.14 × 6,391.76
  4. Step 4: Simplify right side
    10,368.02x = 91,454,196.93
  5. Step 5: Solve for x
    x = 91,454,196.93/10,368.02
  6. Step 6: Final answer
    x = 8,820.80

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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.