Home / 15,703.53-21,638.64-14,596.05

Finding the Fourth Proportional to 15,703.53, 21,638.64 and 14,596.05

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Solution

The fourth proportional to 15,703.53, 21,638.64 and 14,596.05 is: 20,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703.53 : 21,638.64 = 14,596.05 : x
  2. Step 2: Convert to fraction form
    15,703.53/21,638.64 = 14,596.05/x
  3. Step 3: Cross multiply
    15,703.53x = 21,638.64 × 14,596.05
  4. Step 4: Simplify right side
    15,703.53x = 315,838,671.37
  5. Step 5: Solve for x
    x = 315,838,671.37/15,703.53
  6. Step 6: Final answer
    x = 20,112.59

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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.