Home / 13,501.09-18,631.55-7,533.01

Finding the Fourth Proportional to 13,501.09, 18,631.55 and 7,533.01

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Solution

The fourth proportional to 13,501.09, 18,631.55 and 7,533.01 is: 10,395.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.09 : 18,631.55 = 7,533.01 : x
  2. Step 2: Convert to fraction form
    13,501.09/18,631.55 = 7,533.01/x
  3. Step 3: Cross multiply
    13,501.09x = 18,631.55 × 7,533.01
  4. Step 4: Simplify right side
    13,501.09x = 140,351,596.47
  5. Step 5: Solve for x
    x = 140,351,596.47/13,501.09
  6. Step 6: Final answer
    x = 10,395.58

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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.