Home / 14,426.64-21,633.84-4,430.16

Finding the Fourth Proportional to 14,426.64, 21,633.84 and 4,430.16

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Solution

The fourth proportional to 14,426.64, 21,633.84 and 4,430.16 is: 6,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,426.64 : 21,633.84 = 4,430.16 : x
  2. Step 2: Convert to fraction form
    14,426.64/21,633.84 = 4,430.16/x
  3. Step 3: Cross multiply
    14,426.64x = 21,633.84 × 4,430.16
  4. Step 4: Simplify right side
    14,426.64x = 95,841,372.61
  5. Step 5: Solve for x
    x = 95,841,372.61/14,426.64
  6. Step 6: Final answer
    x = 6,643.36

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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.