Home / 19,430.02-26,809.32-12,353.86

Finding the Fourth Proportional to 19,430.02, 26,809.32 and 12,353.86

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Solution

The fourth proportional to 19,430.02, 26,809.32 and 12,353.86 is: 17,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.02 : 26,809.32 = 12,353.86 : x
  2. Step 2: Convert to fraction form
    19,430.02/26,809.32 = 12,353.86/x
  3. Step 3: Cross multiply
    19,430.02x = 26,809.32 × 12,353.86
  4. Step 4: Simplify right side
    19,430.02x = 331,198,585.98
  5. Step 5: Solve for x
    x = 331,198,585.98/19,430.02
  6. Step 6: Final answer
    x = 17,045.72

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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.