Home / 21,709.13-32,563.67-14,259.74

Finding the Fourth Proportional to 21,709.13, 32,563.67 and 14,259.74

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Solution

The fourth proportional to 21,709.13, 32,563.67 and 14,259.74 is: 21,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709.13 : 32,563.67 = 14,259.74 : x
  2. Step 2: Convert to fraction form
    21,709.13/32,563.67 = 14,259.74/x
  3. Step 3: Cross multiply
    21,709.13x = 32,563.67 × 14,259.74
  4. Step 4: Simplify right side
    21,709.13x = 464,349,233.53
  5. Step 5: Solve for x
    x = 464,349,233.53/21,709.13
  6. Step 6: Final answer
    x = 21,389.59

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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.