Home / 12,075.04-16,664.64-7,038.86

Finding the Fourth Proportional to 12,075.04, 16,664.64 and 7,038.86

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Solution

The fourth proportional to 12,075.04, 16,664.64 and 7,038.86 is: 9,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.04 : 16,664.64 = 7,038.86 : x
  2. Step 2: Convert to fraction form
    12,075.04/16,664.64 = 7,038.86/x
  3. Step 3: Cross multiply
    12,075.04x = 16,664.64 × 7,038.86
  4. Step 4: Simplify right side
    12,075.04x = 117,300,067.91
  5. Step 5: Solve for x
    x = 117,300,067.91/12,075.04
  6. Step 6: Final answer
    x = 9,714.26

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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.