Home / 19,038.16-28,508.05-13,133.26

Finding the Fourth Proportional to 19,038.16, 28,508.05 and 13,133.26

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Solution

The fourth proportional to 19,038.16, 28,508.05 and 13,133.26 is: 19,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.16 : 28,508.05 = 13,133.26 : x
  2. Step 2: Convert to fraction form
    19,038.16/28,508.05 = 13,133.26/x
  3. Step 3: Cross multiply
    19,038.16x = 28,508.05 × 13,133.26
  4. Step 4: Simplify right side
    19,038.16x = 374,403,632.74
  5. Step 5: Solve for x
    x = 374,403,632.74/19,038.16
  6. Step 6: Final answer
    x = 19,665.96

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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.