Home / 21,475.63-29,636.37-12,047.23

Finding the Fourth Proportional to 21,475.63, 29,636.37 and 12,047.23

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Solution

The fourth proportional to 21,475.63, 29,636.37 and 12,047.23 is: 16,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.63 : 29,636.37 = 12,047.23 : x
  2. Step 2: Convert to fraction form
    21,475.63/29,636.37 = 12,047.23/x
  3. Step 3: Cross multiply
    21,475.63x = 29,636.37 × 12,047.23
  4. Step 4: Simplify right side
    21,475.63x = 357,035,957.34
  5. Step 5: Solve for x
    x = 357,035,957.34/21,475.63
  6. Step 6: Final answer
    x = 16,625.17

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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.