Home / 15,862.39-21,880.18-10,204.50

Finding the Fourth Proportional to 15,862.39, 21,880.18 and 10,204.50

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Solution

The fourth proportional to 15,862.39, 21,880.18 and 10,204.50 is: 14,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.39 : 21,880.18 = 10,204.50 : x
  2. Step 2: Convert to fraction form
    15,862.39/21,880.18 = 10,204.50/x
  3. Step 3: Cross multiply
    15,862.39x = 21,880.18 × 10,204.50
  4. Step 4: Simplify right side
    15,862.39x = 223,276,296.81
  5. Step 5: Solve for x
    x = 223,276,296.81/15,862.39
  6. Step 6: Final answer
    x = 14,075.83

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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.