Home / 13,665.45-20,492.10-6,266.10

Finding the Fourth Proportional to 13,665.45, 20,492.10 and 6,266.10

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Solution

The fourth proportional to 13,665.45, 20,492.10 and 6,266.10 is: 9,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.45 : 20,492.10 = 6,266.10 : x
  2. Step 2: Convert to fraction form
    13,665.45/20,492.10 = 6,266.10/x
  3. Step 3: Cross multiply
    13,665.45x = 20,492.10 × 6,266.10
  4. Step 4: Simplify right side
    13,665.45x = 128,405,547.81
  5. Step 5: Solve for x
    x = 128,405,547.81/13,665.45
  6. Step 6: Final answer
    x = 9,396.36

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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.