Home / 10,315.47-14,235.60-6,334.32

Finding the Fourth Proportional to 10,315.47, 14,235.60 and 6,334.32

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Solution

The fourth proportional to 10,315.47, 14,235.60 and 6,334.32 is: 8,741.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.47 : 14,235.60 = 6,334.32 : x
  2. Step 2: Convert to fraction form
    10,315.47/14,235.60 = 6,334.32/x
  3. Step 3: Cross multiply
    10,315.47x = 14,235.60 × 6,334.32
  4. Step 4: Simplify right side
    10,315.47x = 90,172,845.79
  5. Step 5: Solve for x
    x = 90,172,845.79/10,315.47
  6. Step 6: Final answer
    x = 8,741.52

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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.