Home / 14,008.26-21,011.18-4,645.20

Finding the Fourth Proportional to 14,008.26, 21,011.18 and 4,645.20

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Solution

The fourth proportional to 14,008.26, 21,011.18 and 4,645.20 is: 6,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.26 : 21,011.18 = 4,645.20 : x
  2. Step 2: Convert to fraction form
    14,008.26/21,011.18 = 4,645.20/x
  3. Step 3: Cross multiply
    14,008.26x = 21,011.18 × 4,645.20
  4. Step 4: Simplify right side
    14,008.26x = 97,601,133.34
  5. Step 5: Solve for x
    x = 97,601,133.34/14,008.26
  6. Step 6: Final answer
    x = 6,967.40

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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.