Home / 14,638.02-20,192.54-8,975.51

Finding the Fourth Proportional to 14,638.02, 20,192.54 and 8,975.51

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Solution

The fourth proportional to 14,638.02, 20,192.54 and 8,975.51 is: 12,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.02 : 20,192.54 = 8,975.51 : x
  2. Step 2: Convert to fraction form
    14,638.02/20,192.54 = 8,975.51/x
  3. Step 3: Cross multiply
    14,638.02x = 20,192.54 × 8,975.51
  4. Step 4: Simplify right side
    14,638.02x = 181,238,325.06
  5. Step 5: Solve for x
    x = 181,238,325.06/14,638.02
  6. Step 6: Final answer
    x = 12,381.34

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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.