Home / 14,985.78-22,457.22-11,005.80

Finding the Fourth Proportional to 14,985.78, 22,457.22 and 11,005.80

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Solution

The fourth proportional to 14,985.78, 22,457.22 and 11,005.80 is: 16,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.78 : 22,457.22 = 11,005.80 : x
  2. Step 2: Convert to fraction form
    14,985.78/22,457.22 = 11,005.80/x
  3. Step 3: Cross multiply
    14,985.78x = 22,457.22 × 11,005.80
  4. Step 4: Simplify right side
    14,985.78x = 247,159,671.88
  5. Step 5: Solve for x
    x = 247,159,671.88/14,985.78
  6. Step 6: Final answer
    x = 16,492.95

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1.5x scale

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.