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Finding the Fourth Proportional to 60,009.53, 90,011.93 and 15,636.65

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Solution

The fourth proportional to 60,009.53, 90,011.93 and 15,636.65 is: 23,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,009.53 : 90,011.93 = 15,636.65 : x
  2. Step 2: Convert to fraction form
    60,009.53/90,011.93 = 15,636.65/x
  3. Step 3: Cross multiply
    60,009.53x = 90,011.93 × 15,636.65
  4. Step 4: Simplify right side
    60,009.53x = 1,407,484,516.99
  5. Step 5: Solve for x
    x = 1,407,484,516.99/60,009.53
  6. Step 6: Final answer
    x = 23,454.35

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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.