Home / 18,403.47-27,585.36-9,032.58

Finding the Fourth Proportional to 18,403.47, 27,585.36 and 9,032.58

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Solution

The fourth proportional to 18,403.47, 27,585.36 and 9,032.58 is: 13,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.47 : 27,585.36 = 9,032.58 : x
  2. Step 2: Convert to fraction form
    18,403.47/27,585.36 = 9,032.58/x
  3. Step 3: Cross multiply
    18,403.47x = 27,585.36 × 9,032.58
  4. Step 4: Simplify right side
    18,403.47x = 249,166,971.03
  5. Step 5: Solve for x
    x = 249,166,971.03/18,403.47
  6. Step 6: Final answer
    x = 13,539.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.