Home / 13,325.34-18,358.23-12,703.26

Finding the Fourth Proportional to 13,325.34, 18,358.23 and 12,703.26

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Solution

The fourth proportional to 13,325.34, 18,358.23 and 12,703.26 is: 17,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.34 : 18,358.23 = 12,703.26 : x
  2. Step 2: Convert to fraction form
    13,325.34/18,358.23 = 12,703.26/x
  3. Step 3: Cross multiply
    13,325.34x = 18,358.23 × 12,703.26
  4. Step 4: Simplify right side
    13,325.34x = 233,209,368.83
  5. Step 5: Solve for x
    x = 233,209,368.83/13,325.34
  6. Step 6: Final answer
    x = 17,501.19

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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.