Home / 10,581.16-14,599.68-6,389.32

Finding the Fourth Proportional to 10,581.16, 14,599.68 and 6,389.32

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Solution

The fourth proportional to 10,581.16, 14,599.68 and 6,389.32 is: 8,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.16 : 14,599.68 = 6,389.32 : x
  2. Step 2: Convert to fraction form
    10,581.16/14,599.68 = 6,389.32/x
  3. Step 3: Cross multiply
    10,581.16x = 14,599.68 × 6,389.32
  4. Step 4: Simplify right side
    10,581.16x = 93,282,027.42
  5. Step 5: Solve for x
    x = 93,282,027.42/10,581.16
  6. Step 6: Final answer
    x = 8,815.86

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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.