Home / 15,657.08-21,606.76-8,583.49

Finding the Fourth Proportional to 15,657.08, 21,606.76 and 8,583.49

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Solution

The fourth proportional to 15,657.08, 21,606.76 and 8,583.49 is: 11,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.08 : 21,606.76 = 8,583.49 : x
  2. Step 2: Convert to fraction form
    15,657.08/21,606.76 = 8,583.49/x
  3. Step 3: Cross multiply
    15,657.08x = 21,606.76 × 8,583.49
  4. Step 4: Simplify right side
    15,657.08x = 185,461,408.39
  5. Step 5: Solve for x
    x = 185,461,408.39/15,657.08
  6. Step 6: Final answer
    x = 11,845.21

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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.