Home / 14,478.75-19,969.74-10,009.98

Finding the Fourth Proportional to 14,478.75, 19,969.74 and 10,009.98

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Solution

The fourth proportional to 14,478.75, 19,969.74 and 10,009.98 is: 13,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.75 : 19,969.74 = 10,009.98 : x
  2. Step 2: Convert to fraction form
    14,478.75/19,969.74 = 10,009.98/x
  3. Step 3: Cross multiply
    14,478.75x = 19,969.74 × 10,009.98
  4. Step 4: Simplify right side
    14,478.75x = 199,896,698.01
  5. Step 5: Solve for x
    x = 199,896,698.01/14,478.75
  6. Step 6: Final answer
    x = 13,806.21

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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.