Home / 14,041.40-21,000.14-12,492.28

Finding the Fourth Proportional to 14,041.40, 21,000.14 and 12,492.28

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Solution

The fourth proportional to 14,041.40, 21,000.14 and 12,492.28 is: 18,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.40 : 21,000.14 = 12,492.28 : x
  2. Step 2: Convert to fraction form
    14,041.40/21,000.14 = 12,492.28/x
  3. Step 3: Cross multiply
    14,041.40x = 21,000.14 × 12,492.28
  4. Step 4: Simplify right side
    14,041.40x = 262,339,461.46
  5. Step 5: Solve for x
    x = 262,339,461.46/14,041.40
  6. Step 6: Final answer
    x = 18,683.28

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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.