Home / 15,037.09-20,752.98-8,749.46

Finding the Fourth Proportional to 15,037.09, 20,752.98 and 8,749.46

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Solution

The fourth proportional to 15,037.09, 20,752.98 and 8,749.46 is: 12,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037.09 : 20,752.98 = 8,749.46 : x
  2. Step 2: Convert to fraction form
    15,037.09/20,752.98 = 8,749.46/x
  3. Step 3: Cross multiply
    15,037.09x = 20,752.98 × 8,749.46
  4. Step 4: Simplify right side
    15,037.09x = 181,577,368.39
  5. Step 5: Solve for x
    x = 181,577,368.39/15,037.09
  6. Step 6: Final answer
    x = 12,075.30

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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.