Home / 10,289.16-14,199.30-6,312.47

Finding the Fourth Proportional to 10,289.16, 14,199.30 and 6,312.47

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Solution

The fourth proportional to 10,289.16, 14,199.30 and 6,312.47 is: 8,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.16 : 14,199.30 = 6,312.47 : x
  2. Step 2: Convert to fraction form
    10,289.16/14,199.30 = 6,312.47/x
  3. Step 3: Cross multiply
    10,289.16x = 14,199.30 × 6,312.47
  4. Step 4: Simplify right side
    10,289.16x = 89,632,655.27
  5. Step 5: Solve for x
    x = 89,632,655.27/10,289.16
  6. Step 6: Final answer
    x = 8,711.37

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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.