Home / 13,118.01-19,657.35-5,718.45

Finding the Fourth Proportional to 13,118.01, 19,657.35 and 5,718.45

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Solution

The fourth proportional to 13,118.01, 19,657.35 and 5,718.45 is: 8,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.01 : 19,657.35 = 5,718.45 : x
  2. Step 2: Convert to fraction form
    13,118.01/19,657.35 = 5,718.45/x
  3. Step 3: Cross multiply
    13,118.01x = 19,657.35 × 5,718.45
  4. Step 4: Simplify right side
    13,118.01x = 112,409,573.11
  5. Step 5: Solve for x
    x = 112,409,573.11/13,118.01
  6. Step 6: Final answer
    x = 8,569.10

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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.