Home / 10,586.17-15,870.57-5,314.81

Finding the Fourth Proportional to 10,586.17, 15,870.57 and 5,314.81

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Solution

The fourth proportional to 10,586.17, 15,870.57 and 5,314.81 is: 7,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.17 : 15,870.57 = 5,314.81 : x
  2. Step 2: Convert to fraction form
    10,586.17/15,870.57 = 5,314.81/x
  3. Step 3: Cross multiply
    10,586.17x = 15,870.57 × 5,314.81
  4. Step 4: Simplify right side
    10,586.17x = 84,349,064.14
  5. Step 5: Solve for x
    x = 84,349,064.14/10,586.17
  6. Step 6: Final answer
    x = 7,967.85

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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.