Home / 14,870.87-22,272.05-8,615.35

Finding the Fourth Proportional to 14,870.87, 22,272.05 and 8,615.35

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Solution

The fourth proportional to 14,870.87, 22,272.05 and 8,615.35 is: 12,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.87 : 22,272.05 = 8,615.35 : x
  2. Step 2: Convert to fraction form
    14,870.87/22,272.05 = 8,615.35/x
  3. Step 3: Cross multiply
    14,870.87x = 22,272.05 × 8,615.35
  4. Step 4: Simplify right side
    14,870.87x = 191,881,394.61
  5. Step 5: Solve for x
    x = 191,881,394.61/14,870.87
  6. Step 6: Final answer
    x = 12,903.18

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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.