Home / 13,328.02-18,371.10-10,130.68

Finding the Fourth Proportional to 13,328.02, 18,371.10 and 10,130.68

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Solution

The fourth proportional to 13,328.02, 18,371.10 and 10,130.68 is: 13,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.02 : 18,371.10 = 10,130.68 : x
  2. Step 2: Convert to fraction form
    13,328.02/18,371.10 = 10,130.68/x
  3. Step 3: Cross multiply
    13,328.02x = 18,371.10 × 10,130.68
  4. Step 4: Simplify right side
    13,328.02x = 186,111,735.35
  5. Step 5: Solve for x
    x = 186,111,735.35/13,328.02
  6. Step 6: Final answer
    x = 13,963.94

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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.