Home / 15,846.02-21,867.80-9,130.51

Finding the Fourth Proportional to 15,846.02, 21,867.80 and 9,130.51

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Solution

The fourth proportional to 15,846.02, 21,867.80 and 9,130.51 is: 12,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846.02 : 21,867.80 = 9,130.51 : x
  2. Step 2: Convert to fraction form
    15,846.02/21,867.80 = 9,130.51/x
  3. Step 3: Cross multiply
    15,846.02x = 21,867.80 × 9,130.51
  4. Step 4: Simplify right side
    15,846.02x = 199,664,066.26
  5. Step 5: Solve for x
    x = 199,664,066.26/15,846.02
  6. Step 6: Final answer
    x = 12,600.27

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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.