Home / 19,085.02-26,309.46-13,402.60

Finding the Fourth Proportional to 19,085.02, 26,309.46 and 13,402.60

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Solution

The fourth proportional to 19,085.02, 26,309.46 and 13,402.60 is: 18,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.02 : 26,309.46 = 13,402.60 : x
  2. Step 2: Convert to fraction form
    19,085.02/26,309.46 = 13,402.60/x
  3. Step 3: Cross multiply
    19,085.02x = 26,309.46 × 13,402.60
  4. Step 4: Simplify right side
    19,085.02x = 352,615,168.60
  5. Step 5: Solve for x
    x = 352,615,168.60/19,085.02
  6. Step 6: Final answer
    x = 18,476.02

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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.