Home / 19,407.12-26,782.92-14,683.20

Finding the Fourth Proportional to 19,407.12, 26,782.92 and 14,683.20

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Solution

The fourth proportional to 19,407.12, 26,782.92 and 14,683.20 is: 20,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.12 : 26,782.92 = 14,683.20 : x
  2. Step 2: Convert to fraction form
    19,407.12/26,782.92 = 14,683.20/x
  3. Step 3: Cross multiply
    19,407.12x = 26,782.92 × 14,683.20
  4. Step 4: Simplify right side
    19,407.12x = 393,258,970.94
  5. Step 5: Solve for x
    x = 393,258,970.94/19,407.12
  6. Step 6: Final answer
    x = 20,263.64

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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.