Home / 13,043.63-18,000.07-7,075.25

Finding the Fourth Proportional to 13,043.63, 18,000.07 and 7,075.25

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Solution

The fourth proportional to 13,043.63, 18,000.07 and 7,075.25 is: 9,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.63 : 18,000.07 = 7,075.25 : x
  2. Step 2: Convert to fraction form
    13,043.63/18,000.07 = 7,075.25/x
  3. Step 3: Cross multiply
    13,043.63x = 18,000.07 × 7,075.25
  4. Step 4: Simplify right side
    13,043.63x = 127,354,994.88
  5. Step 5: Solve for x
    x = 127,354,994.88/13,043.63
  6. Step 6: Final answer
    x = 9,763.77

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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.