Home / 15,622.34-21,558.86-8,549.21

Finding the Fourth Proportional to 15,622.34, 21,558.86 and 8,549.21

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Solution

The fourth proportional to 15,622.34, 21,558.86 and 8,549.21 is: 11,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.34 : 21,558.86 = 8,549.21 : x
  2. Step 2: Convert to fraction form
    15,622.34/21,558.86 = 8,549.21/x
  3. Step 3: Cross multiply
    15,622.34x = 21,558.86 × 8,549.21
  4. Step 4: Simplify right side
    15,622.34x = 184,311,264.71
  5. Step 5: Solve for x
    x = 184,311,264.71/15,622.34
  6. Step 6: Final answer
    x = 11,797.93

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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.