Home / 14,018.56-21,026.40-4,659.20

Finding the Fourth Proportional to 14,018.56, 21,026.40 and 4,659.20

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Solution

The fourth proportional to 14,018.56, 21,026.40 and 4,659.20 is: 6,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.56 : 21,026.40 = 4,659.20 : x
  2. Step 2: Convert to fraction form
    14,018.56/21,026.40 = 4,659.20/x
  3. Step 3: Cross multiply
    14,018.56x = 21,026.40 × 4,659.20
  4. Step 4: Simplify right side
    14,018.56x = 97,966,202.88
  5. Step 5: Solve for x
    x = 97,966,202.88/14,018.56
  6. Step 6: Final answer
    x = 6,988.32

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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.