Home / 13,303.60-18,358.74-7,335.84

Finding the Fourth Proportional to 13,303.60, 18,358.74 and 7,335.84

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Solution

The fourth proportional to 13,303.60, 18,358.74 and 7,335.84 is: 10,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.60 : 18,358.74 = 7,335.84 : x
  2. Step 2: Convert to fraction form
    13,303.60/18,358.74 = 7,335.84/x
  3. Step 3: Cross multiply
    13,303.60x = 18,358.74 × 7,335.84
  4. Step 4: Simplify right side
    13,303.60x = 134,676,779.24
  5. Step 5: Solve for x
    x = 134,676,779.24/13,303.60
  6. Step 6: Final answer
    x = 10,123.33

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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.