Home / 13,036.04-17,989.80-12,565.16

Finding the Fourth Proportional to 13,036.04, 17,989.80 and 12,565.16

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Solution

The fourth proportional to 13,036.04, 17,989.80 and 12,565.16 is: 17,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.04 : 17,989.80 = 12,565.16 : x
  2. Step 2: Convert to fraction form
    13,036.04/17,989.80 = 12,565.16/x
  3. Step 3: Cross multiply
    13,036.04x = 17,989.80 × 12,565.16
  4. Step 4: Simplify right side
    13,036.04x = 226,044,715.37
  5. Step 5: Solve for x
    x = 226,044,715.37/13,036.04
  6. Step 6: Final answer
    x = 17,339.98

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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.