Home / 9,430.90-14,139.36-4,747.48

Finding the Fourth Proportional to 9,430.90, 14,139.36 and 4,747.48

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Solution

The fourth proportional to 9,430.90, 14,139.36 and 4,747.48 is: 7,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.90 : 14,139.36 = 4,747.48 : x
  2. Step 2: Convert to fraction form
    9,430.90/14,139.36 = 4,747.48/x
  3. Step 3: Cross multiply
    9,430.90x = 14,139.36 × 4,747.48
  4. Step 4: Simplify right side
    9,430.90x = 67,126,293.46
  5. Step 5: Solve for x
    x = 67,126,293.46/9,430.90
  6. Step 6: Final answer
    x = 7,117.70

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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.