Home / 19,446.64-26,820.32-12,360.72

Finding the Fourth Proportional to 19,446.64, 26,820.32 and 12,360.72

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Solution

The fourth proportional to 19,446.64, 26,820.32 and 12,360.72 is: 17,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.64 : 26,820.32 = 12,360.72 : x
  2. Step 2: Convert to fraction form
    19,446.64/26,820.32 = 12,360.72/x
  3. Step 3: Cross multiply
    19,446.64x = 26,820.32 × 12,360.72
  4. Step 4: Simplify right side
    19,446.64x = 331,518,465.83
  5. Step 5: Solve for x
    x = 331,518,465.83/19,446.64
  6. Step 6: Final answer
    x = 17,047.60

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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.