Home / 13,162.02-18,162.93-7,192.54

Finding the Fourth Proportional to 13,162.02, 18,162.93 and 7,192.54

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Solution

The fourth proportional to 13,162.02, 18,162.93 and 7,192.54 is: 9,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162.02 : 18,162.93 = 7,192.54 : x
  2. Step 2: Convert to fraction form
    13,162.02/18,162.93 = 7,192.54/x
  3. Step 3: Cross multiply
    13,162.02x = 18,162.93 × 7,192.54
  4. Step 4: Simplify right side
    13,162.02x = 130,637,600.54
  5. Step 5: Solve for x
    x = 130,637,600.54/13,162.02
  6. Step 6: Final answer
    x = 9,925.35

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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.