Home / 14,820.30-20,461.41-11,457.18

Finding the Fourth Proportional to 14,820.30, 20,461.41 and 11,457.18

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Solution

The fourth proportional to 14,820.30, 20,461.41 and 11,457.18 is: 15,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.30 : 20,461.41 = 11,457.18 : x
  2. Step 2: Convert to fraction form
    14,820.30/20,461.41 = 11,457.18/x
  3. Step 3: Cross multiply
    14,820.30x = 20,461.41 × 11,457.18
  4. Step 4: Simplify right side
    14,820.30x = 234,430,057.42
  5. Step 5: Solve for x
    x = 234,430,057.42/14,820.30
  6. Step 6: Final answer
    x = 15,818.17

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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.