Home / 13,985.07-19,299.21-10,416

Finding the Fourth Proportional to 13,985.07, 19,299.21 and 10,416

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Solution

The fourth proportional to 13,985.07, 19,299.21 and 10,416 is: 14,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.07 : 19,299.21 = 10,416 : x
  2. Step 2: Convert to fraction form
    13,985.07/19,299.21 = 10,416/x
  3. Step 3: Cross multiply
    13,985.07x = 19,299.21 × 10,416
  4. Step 4: Simplify right side
    13,985.07x = 201,020,571.36
  5. Step 5: Solve for x
    x = 201,020,571.36/13,985.07
  6. Step 6: Final answer
    x = 14,373.94

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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.