Home / 10,289.84-14,207.30-6,312.23

Finding the Fourth Proportional to 10,289.84, 14,207.30 and 6,312.23

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Solution

The fourth proportional to 10,289.84, 14,207.30 and 6,312.23 is: 8,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.84 : 14,207.30 = 6,312.23 : x
  2. Step 2: Convert to fraction form
    10,289.84/14,207.30 = 6,312.23/x
  3. Step 3: Cross multiply
    10,289.84x = 14,207.30 × 6,312.23
  4. Step 4: Simplify right side
    10,289.84x = 89,679,719.63
  5. Step 5: Solve for x
    x = 89,679,719.63/10,289.84
  6. Step 6: Final answer
    x = 8,715.37

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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.