Home / 15,657.04-21,606.90-8,583.44

Finding the Fourth Proportional to 15,657.04, 21,606.90 and 8,583.44

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Solution

The fourth proportional to 15,657.04, 21,606.90 and 8,583.44 is: 11,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.04 : 21,606.90 = 8,583.44 : x
  2. Step 2: Convert to fraction form
    15,657.04/21,606.90 = 8,583.44/x
  3. Step 3: Cross multiply
    15,657.04x = 21,606.90 × 8,583.44
  4. Step 4: Simplify right side
    15,657.04x = 185,461,529.74
  5. Step 5: Solve for x
    x = 185,461,529.74/15,657.04
  6. Step 6: Final answer
    x = 11,845.25

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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.