Home / 10,439.87-14,407.60-6,193.44

Finding the Fourth Proportional to 10,439.87, 14,407.60 and 6,193.44

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Solution

The fourth proportional to 10,439.87, 14,407.60 and 6,193.44 is: 8,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.87 : 14,407.60 = 6,193.44 : x
  2. Step 2: Convert to fraction form
    10,439.87/14,407.60 = 6,193.44/x
  3. Step 3: Cross multiply
    10,439.87x = 14,407.60 × 6,193.44
  4. Step 4: Simplify right side
    10,439.87x = 89,232,606.14
  5. Step 5: Solve for x
    x = 89,232,606.14/10,439.87
  6. Step 6: Final answer
    x = 8,547.30

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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.