Home / 16,386.60-24,531.30-9,809.40

Finding the Fourth Proportional to 16,386.60, 24,531.30 and 9,809.40

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Solution

The fourth proportional to 16,386.60, 24,531.30 and 9,809.40 is: 14,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386.60 : 24,531.30 = 9,809.40 : x
  2. Step 2: Convert to fraction form
    16,386.60/24,531.30 = 9,809.40/x
  3. Step 3: Cross multiply
    16,386.60x = 24,531.30 × 9,809.40
  4. Step 4: Simplify right side
    16,386.60x = 240,637,334.22
  5. Step 5: Solve for x
    x = 240,637,334.22/16,386.60
  6. Step 6: Final answer
    x = 14,685.01

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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.