Home / 10,345.93-15,525.30-5,419.10

Finding the Fourth Proportional to 10,345.93, 15,525.30 and 5,419.10

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Solution

The fourth proportional to 10,345.93, 15,525.30 and 5,419.10 is: 8,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.93 : 15,525.30 = 5,419.10 : x
  2. Step 2: Convert to fraction form
    10,345.93/15,525.30 = 5,419.10/x
  3. Step 3: Cross multiply
    10,345.93x = 15,525.30 × 5,419.10
  4. Step 4: Simplify right side
    10,345.93x = 84,133,153.23
  5. Step 5: Solve for x
    x = 84,133,153.23/10,345.93
  6. Step 6: Final answer
    x = 8,132.00

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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.