Home / 14,289.48-21,430.65-5,969.55

Finding the Fourth Proportional to 14,289.48, 21,430.65 and 5,969.55

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Solution

The fourth proportional to 14,289.48, 21,430.65 and 5,969.55 is: 8,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.48 : 21,430.65 = 5,969.55 : x
  2. Step 2: Convert to fraction form
    14,289.48/21,430.65 = 5,969.55/x
  3. Step 3: Cross multiply
    14,289.48x = 21,430.65 × 5,969.55
  4. Step 4: Simplify right side
    14,289.48x = 127,931,336.71
  5. Step 5: Solve for x
    x = 127,931,336.71/14,289.48
  6. Step 6: Final answer
    x = 8,952.83

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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.