Home / 10,030.21-15,023.12-6,860.12

Finding the Fourth Proportional to 10,030.21, 15,023.12 and 6,860.12

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Solution

The fourth proportional to 10,030.21, 15,023.12 and 6,860.12 is: 10,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.21 : 15,023.12 = 6,860.12 : x
  2. Step 2: Convert to fraction form
    10,030.21/15,023.12 = 6,860.12/x
  3. Step 3: Cross multiply
    10,030.21x = 15,023.12 × 6,860.12
  4. Step 4: Simplify right side
    10,030.21x = 103,060,479.46
  5. Step 5: Solve for x
    x = 103,060,479.46/10,030.21
  6. Step 6: Final answer
    x = 10,275.00

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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.