Home / 15,427.63-23,138.77-5,565.47

Finding the Fourth Proportional to 15,427.63, 23,138.77 and 5,565.47

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Solution

The fourth proportional to 15,427.63, 23,138.77 and 5,565.47 is: 8,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.63 : 23,138.77 = 5,565.47 : x
  2. Step 2: Convert to fraction form
    15,427.63/23,138.77 = 5,565.47/x
  3. Step 3: Cross multiply
    15,427.63x = 23,138.77 × 5,565.47
  4. Step 4: Simplify right side
    15,427.63x = 128,778,130.27
  5. Step 5: Solve for x
    x = 128,778,130.27/15,427.63
  6. Step 6: Final answer
    x = 8,347.24

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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.