Home / 15,407.04-21,262.02-9,038.50

Finding the Fourth Proportional to 15,407.04, 21,262.02 and 9,038.50

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Solution

The fourth proportional to 15,407.04, 21,262.02 and 9,038.50 is: 12,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.04 : 21,262.02 = 9,038.50 : x
  2. Step 2: Convert to fraction form
    15,407.04/21,262.02 = 9,038.50/x
  3. Step 3: Cross multiply
    15,407.04x = 21,262.02 × 9,038.50
  4. Step 4: Simplify right side
    15,407.04x = 192,176,767.77
  5. Step 5: Solve for x
    x = 192,176,767.77/15,407.04
  6. Step 6: Final answer
    x = 12,473.31

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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.