Home / 14,981.49-20,682.74-9,014.63

Finding the Fourth Proportional to 14,981.49, 20,682.74 and 9,014.63

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Solution

The fourth proportional to 14,981.49, 20,682.74 and 9,014.63 is: 12,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.49 : 20,682.74 = 9,014.63 : x
  2. Step 2: Convert to fraction form
    14,981.49/20,682.74 = 9,014.63/x
  3. Step 3: Cross multiply
    14,981.49x = 20,682.74 × 9,014.63
  4. Step 4: Simplify right side
    14,981.49x = 186,447,167.61
  5. Step 5: Solve for x
    x = 186,447,167.61/14,981.49
  6. Step 6: Final answer
    x = 12,445.17

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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.