Home / 23,117.80-31,911.78-14,746.60

Finding the Fourth Proportional to 23,117.80, 31,911.78 and 14,746.60

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Solution

The fourth proportional to 23,117.80, 31,911.78 and 14,746.60 is: 20,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.80 : 31,911.78 = 14,746.60 : x
  2. Step 2: Convert to fraction form
    23,117.80/31,911.78 = 14,746.60/x
  3. Step 3: Cross multiply
    23,117.80x = 31,911.78 × 14,746.60
  4. Step 4: Simplify right side
    23,117.80x = 470,590,254.95
  5. Step 5: Solve for x
    x = 470,590,254.95/23,117.80
  6. Step 6: Final answer
    x = 20,356.19

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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.