Home / 21,095.37-29,114.51-12,710.25

Finding the Fourth Proportional to 21,095.37, 29,114.51 and 12,710.25

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Solution

The fourth proportional to 21,095.37, 29,114.51 and 12,710.25 is: 17,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.37 : 29,114.51 = 12,710.25 : x
  2. Step 2: Convert to fraction form
    21,095.37/29,114.51 = 12,710.25/x
  3. Step 3: Cross multiply
    21,095.37x = 29,114.51 × 12,710.25
  4. Step 4: Simplify right side
    21,095.37x = 370,052,637.18
  5. Step 5: Solve for x
    x = 370,052,637.18/21,095.37
  6. Step 6: Final answer
    x = 17,541.89

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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.