Home / 14,090.18-19,443.13-8,423.80

Finding the Fourth Proportional to 14,090.18, 19,443.13 and 8,423.80

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Solution

The fourth proportional to 14,090.18, 19,443.13 and 8,423.80 is: 11,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.18 : 19,443.13 = 8,423.80 : x
  2. Step 2: Convert to fraction form
    14,090.18/19,443.13 = 8,423.80/x
  3. Step 3: Cross multiply
    14,090.18x = 19,443.13 × 8,423.80
  4. Step 4: Simplify right side
    14,090.18x = 163,785,038.49
  5. Step 5: Solve for x
    x = 163,785,038.49/14,090.18
  6. Step 6: Final answer
    x = 11,624.06

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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.