Home / 10,430.70-14,398.29-6,898.74

Finding the Fourth Proportional to 10,430.70, 14,398.29 and 6,898.74

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Solution

The fourth proportional to 10,430.70, 14,398.29 and 6,898.74 is: 9,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.70 : 14,398.29 = 6,898.74 : x
  2. Step 2: Convert to fraction form
    10,430.70/14,398.29 = 6,898.74/x
  3. Step 3: Cross multiply
    10,430.70x = 14,398.29 × 6,898.74
  4. Step 4: Simplify right side
    10,430.70x = 99,330,059.15
  5. Step 5: Solve for x
    x = 99,330,059.15/10,430.70
  6. Step 6: Final answer
    x = 9,522.86

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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.