Home / 15,808.06-23,715.69-5,419.18

Finding the Fourth Proportional to 15,808.06, 23,715.69 and 5,419.18

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Solution

The fourth proportional to 15,808.06, 23,715.69 and 5,419.18 is: 8,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.06 : 23,715.69 = 5,419.18 : x
  2. Step 2: Convert to fraction form
    15,808.06/23,715.69 = 5,419.18/x
  3. Step 3: Cross multiply
    15,808.06x = 23,715.69 × 5,419.18
  4. Step 4: Simplify right side
    15,808.06x = 128,519,592.93
  5. Step 5: Solve for x
    x = 128,519,592.93/15,808.06
  6. Step 6: Final answer
    x = 8,130.00

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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.