Home / 14,803.57-20,430.35-8,090.22

Finding the Fourth Proportional to 14,803.57, 20,430.35 and 8,090.22

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Solution

The fourth proportional to 14,803.57, 20,430.35 and 8,090.22 is: 11,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.57 : 20,430.35 = 8,090.22 : x
  2. Step 2: Convert to fraction form
    14,803.57/20,430.35 = 8,090.22/x
  3. Step 3: Cross multiply
    14,803.57x = 20,430.35 × 8,090.22
  4. Step 4: Simplify right side
    14,803.57x = 165,286,026.18
  5. Step 5: Solve for x
    x = 165,286,026.18/14,803.57
  6. Step 6: Final answer
    x = 11,165.28

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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.