Home / 14,075.99-19,407.21-9,031.31

Finding the Fourth Proportional to 14,075.99, 19,407.21 and 9,031.31

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Solution

The fourth proportional to 14,075.99, 19,407.21 and 9,031.31 is: 12,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.99 : 19,407.21 = 9,031.31 : x
  2. Step 2: Convert to fraction form
    14,075.99/19,407.21 = 9,031.31/x
  3. Step 3: Cross multiply
    14,075.99x = 19,407.21 × 9,031.31
  4. Step 4: Simplify right side
    14,075.99x = 175,272,432.71
  5. Step 5: Solve for x
    x = 175,272,432.71/14,075.99
  6. Step 6: Final answer
    x = 12,451.88

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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.